UpHeron
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Servers and applications

CVE-2026-35387

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.

Severity
Medium 6.5
Published
2 Apr 2026
Last changed
24 Jul 2026
Added to UpHeron
21 Oct 2026
Fixed in
10.3
Sources
NVD

Affected software

SoftwareAffected versions
OpenSSHServers and applications · cpe:a:openbsd:openssh
  • Every version before 10.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-35387
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-35387