CVE-2026-41372
MEDIUM severity · CVSS 5.8 · Authorization bypass
5.8CVSS MEDIUM
Summary
OpenClaw before 2026.4.2 fails to normalize trailing-dot localhost hosts in remote CDP discovery responses, allowing bypass of loopback protections. Attackers can craft hostile discovery responses returning localhost. to retarget authenticated browser control toward localhost endpoints and expose browser state.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactLow
Integrity impactNone
Availability impactNone
Exploit probability (EPSS)0%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://github.com/openclaw/openclaw/commit/9c22d636697336a6b22b0ae24798d8b8325d7828 ↗
Additional information
- NVD record
- https://github.com/openclaw/openclaw/commit/9c22d636697336a6b22b0ae24798d8b8325d7828Patch
- https://github.com/openclaw/openclaw/security/advisories/GHSA-fh32-73r9-rgh5Advisory
- https://www.vulncheck.com/advisories/openclaw-loopback-protection-bypass-via-trailing-dot-localhost-in-cdp-discoveryAdvisory