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  3. Security issue thread - PHP and eMudhra cert compromise

Security issue thread - PHP and eMudhra cert compromise

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  • P
    P
    p44
    translator
    wrote last edited by p44
    #19

    @jdaviescoates Another “workaround” could be to install VPN app and mark as required to access to all installed application. What do you think? Could be a temporary workaround to avoid to stop every app?

    jdaviescoatesJ 1 Reply Last reply
    1
    • P p44

      @jdaviescoates Another “workaround” could be to install VPN app and mark as required to access to all installed application. What do you think? Could be a temporary workaround to avoid to stop every app?

      jdaviescoatesJ
      jdaviescoatesJ
      jdaviescoates
      Super Fan
      wrote last edited by
      #20

      @p44 I don't have the knowledge to know tbh. But it sounds a bit like what more qualified @fbartels described in that other thread.

      I use Cloudron with Gandi & Hetzner

      1 Reply Last reply
      2
      • girishG
        girishG
        girish
        Staff
        wrote last edited by
        #21

        yes, limiting access via the VPN feature is a way to fix the issue.

        To update: the base images are ready, our CI is at work pushing new packages.

        1 Reply Last reply
        11
        • J joseph referenced this topic
        • M
          M
          msbt
          App Dev Super Fan
          wrote last edited by msbt
          #22

          @girish will/can there a patch for Cloudron <10 users? I have a LAMP which requires MYSQL 8.0, that's why I haven't upgraded to 9.2.0 yet, to avoid compatibility issues with MYSQL 8.4 😬

          Edit: Might opt for a custom app, that's not a healthy way to maintain that LAMP app 😅

          Unrelated: Great response time and effort for the fixes, much appreciated! ♥

          Happy Hosting & Web Development

          1 Reply Last reply
          4
          • M
            M
            maxkreg
            wrote last edited by
            #23

            I powered off my netcup Cloudron servers a few hours ago and I´m now browsing through the forum, gathering info.
            Would this be a sensible restart procedure, once cloudron and package updates are available?

            • Before booting, restrict inbound access at the provider firewall to my IP only (SSH/HTTPS, covering IPv4 and IPv6), initially blocking other outbound traffic except administrative replies - if possible
            • Boot normally and stop all apps through the dashboard.
            • Allow the outbound connectivity needed for updates (no idea how..), verify/update Ubuntu’s ca-certificates, and install Cloudron 10.1.6 when available as laid out in @girish´s first post
            • Update and test app packages individually once available, keeping unpatched apps stopped before restoring public access.

            Would this make preventing Docker from starting during boot unnecessary? Also, is restricting inbound access sufficient for temporary operation, or should apps awaiting CA/runtime fixes remain stopped because of their outbound TLS connections?

            Thank you guys being as fast and commited as you are 🙂

            1 Reply Last reply
            3
            • sebastienserreS
              sebastienserreS
              sebastienserre
              wrote last edited by
              #24

              How to receive the PHP fix ? I don't see any updates?
              Do I need to stop my PHP apps ?

              He/Him - Native language: French

              J humptyH 2 Replies Last reply
              1
              • sebastienserreS sebastienserre

                How to receive the PHP fix ? I don't see any updates?
                Do I need to stop my PHP apps ?

                J
                J
                jcaruso
                wrote last edited by
                #25

                @sebastienserre Individual PHP apps will need to be updated. I just noticed that WordPress has been updated but others aren't yet. It sounds like the automated systems are still testing and building updates and they'll be ready soon.

                1 Reply Last reply
                5
                • sebastienserreS sebastienserre

                  How to receive the PHP fix ? I don't see any updates?
                  Do I need to stop my PHP apps ?

                  humptyH
                  humptyH
                  humpty
                  wrote last edited by
                  #26

                  @sebastienserre yes, it's best to stop the PHP-based apps. You can see which apps are affected a few posts up. App updates are being rolled out. For instance, Wordpress and Freescout fixes are ready. As for the server, go to the initial post, log in to your server(s) via SSH, and run the commands to make sure the server is up to date. That's all you need to do right now.

                  sebastienserreS 1 Reply Last reply
                  3
                  • J
                    J
                    jdbaker
                    wrote last edited by
                    #27

                    Yinz are true heroes!

                    1 Reply Last reply
                    1
                    • luckowL luckow

                      @jdaviescoates as fas as i know:
                      2fauth
                      ampache
                      bookstack
                      castopod
                      dokuwiki
                      dolibarr
                      easyappointments
                      espocrm
                      firefly-iii
                      freescout
                      freshrss
                      glpi
                      grav
                      humhub
                      invoiceninja
                      jirafeau
                      kanboard
                      kimai
                      koel
                      leantime
                      limesurvey
                      lychee
                      matomo
                      mautic
                      mediawiki
                      monica
                      moodle
                      nextcloud
                      omeka-s
                      opodsync
                      osticket
                      piwigo
                      pixelfed
                      privatebin
                      roundcube
                      rss-bridge
                      shaarli
                      snappymail
                      snipeit
                      tachyon
                      tinytinyrss
                      wallabag
                      wallos
                      wordpress-developer
                      wordpress-managed
                      xbackbone
                      yourls

                      T
                      T
                      Teiluj
                      wrote last edited by Teiluj
                      #28

                      @luckow said:

                      @jdaviescoates as fas as i know:
                      2fauth
                      ...
                      yourls

                      Is there such list for Community apps also?

                      Thanks @staff and @all for the prompt community actions

                      1 Reply Last reply
                      2
                      • humptyH humpty

                        @sebastienserre yes, it's best to stop the PHP-based apps. You can see which apps are affected a few posts up. App updates are being rolled out. For instance, Wordpress and Freescout fixes are ready. As for the server, go to the initial post, log in to your server(s) via SSH, and run the commands to make sure the server is up to date. That's all you need to do right now.

                        sebastienserreS
                        sebastienserreS
                        sebastienserre
                        wrote last edited by
                        #29

                        @humpty I followed steps on the server, it's up-to-date.
                        I run Cloudron 10.1.5, is a 10.1.6 will be released orno need it's per apps based ?

                        He/Him - Native language: French

                        humptyH 1 Reply Last reply
                        0
                        • sebastienserreS sebastienserre

                          @humpty I followed steps on the server, it's up-to-date.
                          I run Cloudron 10.1.5, is a 10.1.6 will be released orno need it's per apps based ?

                          humptyH
                          humptyH
                          humpty
                          wrote last edited by humpty
                          #30

                          @sebastienserre 10.1.6 is needed and on the way. Stay tuned.

                          1 Reply Last reply
                          4
                          • girishG
                            girishG
                            girish
                            Staff
                            wrote last edited by
                            #31

                            The internal priority is to get the PHP apps updated first. The PHP issue is far more severe than the certificate issue (which requires the DNS or something else to be compromised to work). In that sense, 10.1.6 will happen but after most of the PHP apps are updated.

                            1 Reply Last reply
                            13
                            • O
                              O
                              OneTools Project
                              wrote last edited by
                              #32

                              Is putting the concerned apps into recovery mode until the updates are there enough to "secure" them?

                              jdaviescoatesJ 1 Reply Last reply
                              0
                              • O OneTools Project

                                Is putting the concerned apps into recovery mode until the updates are there enough to "secure" them?

                                jdaviescoatesJ
                                jdaviescoatesJ
                                jdaviescoates
                                Super Fan
                                wrote last edited by
                                #33

                                @OneTools-Project I don't know. I've stopped all of mine. But you can't update stopped apps, so you have to restarted the again to update them. I'm taking advantage of the Cloudron CLI for the first time to make this process quicker and easier. And Claude just gave me this to restart and then force start all my WordPress apps that were all stuck on a wrong 4.0.0 version number and so weren't able to update:

                                for a in $(cloudron list | awk '$5=="stopped" && $3=="org.wordpress.unmanaged.cloudronapp@4.0.0" {print $1}'); do cloudron start --app "$a" && cloudron update --app "$a" --appstore-id org.wordpress.unmanaged.cloudronapp@3.17.0 --force; done
                                

                                I use Cloudron with Gandi & Hetzner

                                1 Reply Last reply
                                2
                                • GrienauerG
                                  GrienauerG
                                  Grienauer
                                  wrote last edited by
                                  #34

                                  Do we know when the cloudron Update is available? Thank you all for you work!

                                  Drupal CMS and Open Source Expert, Mautic Community lead Secretary

                                  dsp76D 1 Reply Last reply
                                  0
                                  • GrienauerG Grienauer

                                    Do we know when the cloudron Update is available? Thank you all for you work!

                                    dsp76D
                                    dsp76D
                                    dsp76
                                    wrote last edited by
                                    #35

                                    @Grienauer Packages are being updated one by one. Many are already patched.

                                    (Ask me about B2B marketing automation & low code business solutions, if thats interesting for you.)

                                    1 Reply Last reply
                                    3
                                    • andreasduerenA
                                      andreasduerenA
                                      andreasdueren
                                      App Dev CA Maintainer Super Fan
                                      wrote last edited by
                                      #36

                                      https://thehackernews.com/2026/10/critical-gitlab-flaw-cvss-100-could.html One more thing @girish @nebulon

                                      girishG 1 Reply Last reply
                                      4
                                      • ei8fdbE
                                        ei8fdbE
                                        ei8fdb
                                        wrote last edited by
                                        #37

                                        Thank you @girish @nebulon @james and other Cloudron staff I don't know about. I checked in earlier and saw you were in the process of reacting to the news. And I wasn't stressed, I knew it'd be fixed.

                                        I dropped Internet traffic to my homeserver Cloudron and decided to wait patiently. My small company users went for 🍻. 🙂 And now I'm seeing updates being available for the apps I run. Click...click...one by one.

                                        We don't see all the frantic work you've all been doing, but your fast response and updating is a credit to you all. You provide a great service.

                                        When this one is "finished", I hope you get a long beer and a longer sleep. 👏

                                        If only all companies responded as fast as you.

                                        1 Reply Last reply
                                        13
                                        • girishG girish

                                          There are two major security issues that hit today morning.

                                          • eMudhra Certificate compromise - https://emudhra.we-have-a-problem.com
                                          • PHP issue - https://cert.europa.eu/publications/security-advisories/2026-018/ . The recommendation here is to shut down your PHP sites entirely. FWIW, we have shutdown our own matomo, freescout, mautic, humhub .

                                          We are also updating https://social.cloudron.io/@cloudron and https://x.com/CloudronIO as we get more information. Public newsletter link - https://newsletter.cloudron.io/archive/2026-10-21-php-emudhra

                                          PHP RCE

                                          We have already started rolling out updates for the apps.

                                          Status as of 22 OCT 19:20 CEST - Around 175 packages have been updated. ~20 or so remain. We are working through them diligently. It's complicated because sometimes upstream has gone all silent.

                                          Status as of 23 OCT 9:20 CEST - Pretty much all packages updated. Only 3-4 remain. All PHP apps are updated.

                                          eMudhra Certificate compromise

                                          Ubuntu has released the necessary CA store update - https://ubuntu.com/security/notices/USN-8944-1 . All Cloudron packages have been updated to include the new CA store.

                                          Cloudron already enables automatic security updates on the server. But you can and should check this manually.

                                          SSH into your server and run:

                                          # dpkg-query -W -f 'installed: ${Version}\n' ca-certificates
                                          installed: 20260816ubuntu0.26.04.1
                                          

                                          This should say 20260816ubuntu0.26.04.1 atleast. The first part is the date, and it must be equal to or later than that. The last part of the string will differ based on your ubuntu version (for example, 20260816ubuntu0.22.04.1 is valid).

                                          You can check when the above package arrived via automatic security update:

                                          # grep -A2 'ca-certificates' /var/log/apt/history.log | tail -n 2
                                          Upgrade: ca-certificates:amd64 (20260601~26.04.1, 20260816ubuntu0.26.04.1)
                                          End-Date: 2026-10-21  06:59:55
                                          

                                          If the ca-certificates was not updated, update ca-certificates package manually:

                                          # apt-get update
                                          # apt-get install -y ca-certificates
                                          

                                          Now to be 100% sure, check that the cert is not in trust bundle:

                                          # openssl crl2pkcs7 -nocrl -certfile /etc/ssl/certs/ca-certificates.crt  | openssl pkcs7 -print_certs -noout | grep -F "emSign ECC Root CA - G3"   && echo "STILL IN TRUST BUNDLE" || echo "removed from trust bundle"
                                          

                                          It should say removed from trust bundle

                                          Cloudron update

                                          Cloudron 10.1.6 is coming soon with an update to nodejs - https://github.com/nodejs/node/releases/tag/v24.22.1 (via this change). You should update to Cloudron 10.1.6 at the earliest, when it's available. Other parts of Cloudron like nginx, docker will use the host CA bundle automatically and are safe. At this point, there is nothing you (the user) can do until we release this.

                                          New base images

                                          This section is for packagers.

                                          New images:

                                          cloudron/base:6.0.1@sha256:7b1e729960c3ca312d26e886917ba89483241bba0219ff292858e10d9d5768ee
                                          cloudron/node-base:24-20261021@sha256:7435d8aca138ce01cfca4cd7ec05683223b8f5d7198c9abdaaefa1b6ba14b4c6 (Per https://nodejs.org/en/blog/vulnerability/october-2026-security-releases , Node.js v22.23.4, Node.js v24.22.1
                                          Node.js v26.12.1 are updated)

                                          I am investigating python. Per https://discuss.python.org/t/information-for-python-users-regarding-emudhra-emsign-ca-certificate-security-incident/109576, ensure pip >= 26.2.2 .

                                          PHP versions are out -PHP 8.5.12 , PHP 8.4.27 , PHP 8.3.36
                                          PHP 8.2.35 . We are building new packages . Special thanks to oerdnj from https://codeberg.org/oerdnj/deb.sury.org/issues/145

                                          New base images: cloudron/php-base:8.5-20261021 and cloudron/php-base:8.4-20261021

                                          T
                                          T
                                          thoresson
                                          wrote last edited by
                                          #38

                                          Cloudron already enables automatic security updates on the host. But you can and should check this manually.

                                          First run:

                                          # dpkg-query -W -f 'installed: ${Version}\n' ca-certificates
                                          installed: 20260816ubuntu0.26.04.1
                                          

                                          Slightly off topic for this thread, but asking here as others might run into the same issue when working with the PHP CVE: What if the date was in June? What could cause the automatic security updates to fail?

                                          1 Reply Last reply
                                          0

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