CVE-2026-41372

Description

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.

CVSS Vector

Affected Products

References

• https://github.com/openclaw/openclaw/commit/9c22d636697336a6b22b0ae24798d8b8325d7828
• https://github.com/openclaw/openclaw/security/advisories/GHSA-fh32-73r9-rgh5
• https://www.vulncheck.com/advisories/openclaw-loopback-protection-bypass-via-trailing-dot-localhost-in-cdp-discovery