CVE-2026-35387

CVSS 3.1 LOWEPSS 0.2%CWE-670

OpenSSH before 10.3 can use unintended ECDSA algorithms. Listing of any ECDSA algorithm in PubkeyAcceptedAlgorithms or HostbasedAcceptedAlgorithms is misinterpreted to mean all ECDSA algorithms.

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

Affected products

OpenBSD · OpenSSH

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References

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