In OpenSSH before 10.3, command execution can occur via shell metacharacters in a username within a command line.

Code

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No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Apr 2, 2026 · NIST NVD

   Detected

   In OpenSSH before 10.3, command execution can occur via shell metacharacters in a username within a command line. This requires a scenario where the username on the command line is untrusted, and also requires a non-default configurations of % in ssh_config.

2. Jul 24, 2026 · NIST NVD

   Updated

   In OpenSSH before 10.3, command execution can occur via shell metacharacters in a username within a command line. This requires a scenario where the username on the command line is untrusted, and also requires a non-default configurations of % in ssh_config.

Affected

• cpe openbsd/opensshversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-35386

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-35386

  In OpenSSH before 10.3, command execution can occur via shell metacharacters in a username within a command line. This requires a scenario where the username on the command line is untrusted, and also requires a non-default configurations of % in ssh_config.

  nvd.nist.gov

References

• Third Party Advisory · marc.info
• Release Notes · openssh.org
• Third Party Advisory · openwall.com