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High7.5Red Hat Linux

High [CVE-2026-35385] Privilege escalation via scp legacy protocol when not preserving file mode

This high-severity Red Hat Linux advisory covers CVE-2026-35385 affecting OpenSSH, Red Hat Enterprise Linux 10.0 Extended Update Support, Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION.

CVE-2026-35385 Published Apr 2, 2026
CVE-2026-35385
Affected products & platforms
Red Hat LinuxUnclassified
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Summary

Privilege escalation via scp legacy protocol when not preserving file mode. Red Hat rates this important (CVSS 7.5).

Weakness: CWE-281. Affected package(s): rhaiis/model-opt-cuda-rhel9:1782352950, rhaiis/vllm-spyre-rhel9:1782352919, openssh, rhcos, rhui5/rhua-rhel9:1779798222, rhaiis/model-opt-cuda-rhel9:1780681984.

Resolved in Red Hat advisory RHSA-2026:26542 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION; Red Hat Enterprise Linux 7 Extended Lifecycle Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; and 22 more.

Affected versions
  • rhaiis/model-opt-cuda-rhel9:1782352950
  • rhaiis/vllm-spyre-rhel9:1782352919
  • openssh-0:8.0p1-29.el8_10
  • rhcos-414.92.202606231112-0
  • openssh-0:5.3p1-125.el6_10.1
  • rhui5/rhua-rhel9:1779798222
  • rhcos-418.94.202606051320-0
  • openssh-0:8.0p1-15.el8_6.5
  • openssh-0:9.9p1-14.el10_1
  • openssh-0:9.9p1-23.el10_2
  • rhcos-412.86.202606140301-0
  • openssh-0:9.9p1-7.el10_0.3

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions
  • RHSA-2026:26542

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Update the affected package(s) to the fixed version shipped in RHSA-2026:26542 (`sudo dnf update` / `yum update`).

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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