RHSA-2026:19219HighCVSS 7.5

Red Hat Security Advisory: openssh security update

Published
May 19, 2026
Last Modified
August 31, 2026

🔗 CVE IDs covered (5)

CVE-2026-35385 →CVE-2026-35386 →CVE-2026-35387 →CVE-2026-35388 →CVE-2026-35414 →

📋 Description

CVE-2026-35385 — OpenSSH: OpenSSH: Privilege escalation via scp legacy protocol when not preserving file mode CVE-2026-35386 — OpenSSH: OpenSSH: Arbitrary command execution via shell metacharacters in username CVE-2026-35387 — OpenSSH: OpenSSH: Information disclosure due to unintended cryptographic algorithm usage CVE-2026-35388 — OpenSSH: OpenSSH: Low integrity impact from unconfirmed proxy-mode multiplexing sessions CVE-2026-35414 — OpenSSH: OpenSSH: Security bypass via mishandling of authorized_keys principals option

🎯 Affected products91

  • Red Hat Enterprise Linux AppStream (v. 9)
  • Red Hat Enterprise Linux BaseOS (v. 9)
  • openssh-0:9.9p1-7.el9_8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • openssh-0:9.9p1-7.el9_8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • openssh-0:9.9p1-7.el9_8.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • openssh-0:9.9p1-7.el9_8.src as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • openssh-0:9.9p1-7.el9_8.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • openssh-askpass-0:9.9p1-7.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • openssh-askpass-0:9.9p1-7.el9_8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • openssh-askpass-0:9.9p1-7.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • openssh-askpass-0:9.9p1-7.el9_8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • openssh-askpass-debuginfo-0:9.9p1-7.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • openssh-askpass-debuginfo-0:9.9p1-7.el9_8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • openssh-askpass-debuginfo-0:9.9p1-7.el9_8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • openssh-askpass-debuginfo-0:9.9p1-7.el9_8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • openssh-askpass-debuginfo-0:9.9p1-7.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • openssh-askpass-debuginfo-0:9.9p1-7.el9_8.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • openssh-askpass-debuginfo-0:9.9p1-7.el9_8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • openssh-askpass-debuginfo-0:9.9p1-7.el9_8.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • openssh-clients-0:9.9p1-7.el9_8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • openssh-clients-0:9.9p1-7.el9_8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • openssh-clients-0:9.9p1-7.el9_8.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • openssh-clients-0:9.9p1-7.el9_8.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • openssh-clients-debuginfo-0:9.9p1-7.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • openssh-clients-debuginfo-0:9.9p1-7.el9_8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • openssh-clients-debuginfo-0:9.9p1-7.el9_8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • openssh-clients-debuginfo-0:9.9p1-7.el9_8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • openssh-clients-debuginfo-0:9.9p1-7.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • openssh-clients-debuginfo-0:9.9p1-7.el9_8.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • openssh-clients-debuginfo-0:9.9p1-7.el9_8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • +61 more not shown

✅ 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: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

🔗 References (8)