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Description

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.

PUBLISHED Reserved 2026-04-02 | Published 2026-04-02 | Updated 2026-04-03 | Assigner mitre




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

Problem types

CWE-670 Always-Incorrect Control Flow Implementation

Product status

Default status
unaffected

Any version before 10.3
affected

References

www.openssh.org/releasenotes.html

marc.info/?l=openssh-unix-dev&m=177513443901484&w=2

www.openwall.com/lists/oss-security/2026/04/02/3

cve.org (CVE-2026-35387)

nvd.nist.gov (CVE-2026-35387)

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