Findings

CVE-2026-35387

OpenSSH before 10.3 can use unintended ECDSA algorithms.

Published Apr 2, 2026 · updated Jul 24, 2026 · openbsd openssh

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.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 2, 2026 · NIST NVD

    Detected

    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.

  2. Jul 24, 2026 · NIST NVD

    Updated

    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.

Affected

  • cpe openbsd/opensshversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2026-35387

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-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.

    nvd.nist.gov

References