A flaw was found in OpenSSH. On platforms that cannot pass file descriptors and that need root to allocate a terminal, the post-authentication session process keeps root privilege. An authenticated user can then perform actions as root, including privileged socket connections and binding forwards to low-numbered ports.

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Fixes

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Workaround

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History

Thu, 15 Oct 2026 13:30:00 +0000

Type Values Removed Values Added
Description A flaw was found in OpenSSH. On platforms that cannot pass file descriptors and that need root to allocate a terminal, the post-authentication session process keeps root privilege. An authenticated user can then perform actions as root, including privileged socket connections and binding forwards to low-numbered ports.
Title openssh: openssh: post-authentication process retains root without file-descriptor passing
Weaknesses CWE-250
References
Metrics threat_severity

None

cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N'}

threat_severity

Important


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cve-icon MITRE

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cve-icon Vulnrichment

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cve-icon NVD

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cve-icon Redhat

Severity : Important

Publid Date: 2026-10-15T00:00:00Z

Links: CVE-2026-110929 - Bugzilla

cve-icon OpenCVE Enrichment

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Weaknesses