RHSA-2026:79112HighCVSS 7.3

Red Hat Security Advisory: rhc-worker-playbook security update

Published
October 8, 2026
Last Modified
October 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-11837 →

📋 Description

CVE-2026-11837 — ansible-collection-ansible-posix: ansible.posix authorized_key: local privilege escalation via symlink-following chown

🎯 Affected products14

  • Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • rhc-worker-playbook-0:0.2.3-6.el10_0.2.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • rhc-worker-playbook-0:0.2.3-6.el10_0.2.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • rhc-worker-playbook-0:0.2.3-6.el10_0.2.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • rhc-worker-playbook-0:0.2.3-6.el10_0.2.src as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • rhc-worker-playbook-0:0.2.3-6.el10_0.2.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • rhc-worker-playbook-debuginfo-0:0.2.3-6.el10_0.2.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • rhc-worker-playbook-debuginfo-0:0.2.3-6.el10_0.2.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • rhc-worker-playbook-debuginfo-0:0.2.3-6.el10_0.2.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • rhc-worker-playbook-debuginfo-0:0.2.3-6.el10_0.2.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • rhc-worker-playbook-debugsource-0:0.2.3-6.el10_0.2.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • rhc-worker-playbook-debugsource-0:0.2.3-6.el10_0.2.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • rhc-worker-playbook-debugsource-0:0.2.3-6.el10_0.2.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • rhc-worker-playbook-debugsource-0:0.2.3-6.el10_0.2.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: The following practices would help for avoiding exposure and mitigate this flaw: 1) Do not run the ansible.posix authorized_key module with elevated privileges against untrusted user accounts. 2) Validate that target user home directories do not contain unexpected symbolic links before running playbooks.

🔗 References (4)