OpenClaw before 2026.4.2 contains a timing side channel vulnerability in shared-secret comparison call sites that use early length-mismatch checks instead of fixed-len…

Code

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

• Repository · github.com

Timeline

Detection, updates, and resolution for this record.

1. Apr 28, 2026 · NIST NVD

   Detected

   OpenClaw before 2026.4.2 contains a timing side channel vulnerability in shared-secret comparison call sites that use early length-mismatch checks instead of fixed-length comparison helpers. Attackers can measure timing differences to leak secret-length information, weakening constant-time handling for shared secrets.

2. Jun 17, 2026 · NIST NVD

   Updated

   OpenClaw before 2026.4.2 contains a timing side channel vulnerability in shared-secret comparison call sites that use early length-mismatch checks instead of fixed-length comparison helpers. Attackers can measure timing differences to leak secret-length information, weakening constant-time handling for shared secrets.

Affected

• cpe openclaw/openclawversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-41407

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-41407

  OpenClaw before 2026.4.2 contains a timing side channel vulnerability in shared-secret comparison call sites that use early length-mismatch checks instead of fixed-length comparison helpers. Attackers can measure timing differences to leak secret-length information, weakening con

  nvd.nist.gov

References

• Patch · github.com
• Vendor Advisory · github.com
• Third Party Advisory · vulncheck.com