CVE-2026-35414HIGH 8.1EPSS p7.3%

CVE-2026-35414CVE-2026-35414

Description

OpenSSH before 10.3 mishandles the authorized_keys principals option in uncommon scenarios involving a principals list in conjunction with a Certificate Authority that makes certain use of comma characters.

Scoring

CVSS 3.18.1 (HIGH)
VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.18% probability of exploitation · percentile 7.3% · 2026-06-18T12:00:27Z
Published2026-04-02
Last modified2026-04-10

Underlying weaknesses· 1

CWE-670

References

  1. https://marc.info/?l=openssh-unix-dev&m=177513443901484&w=2
  2. https://www.openssh.org/releasenotes.html#10.3p1
  3. https://www.openwall.com/lists/oss-security/2026/04/02/3

1

TypeTargetConfidenceTier
WeaknessAlways-Incorrect Control Flow Implementationcwe-6700%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.