CVE-2026-41372 — MEDIUM (5.8)

Q: How severe is CVE-2026-41372?

CVE-2026-41372 has been rated MEDIUM with a CVSS base score of 5.8/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-41372?

Check the references section above for vendor advisories and patch information. Affected products include: Openclaw Openclaw.

Vulnerability 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 Score

5.8

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

LOW

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Openclaw	Openclaw	< 2026.4.2

Related Weaknesses (CWE)

CWE-639

References

https://github.com/openclaw/openclaw/commit/9c22d636697336a6b22b0ae24798d8b8325dPatch
https://github.com/openclaw/openclaw/security/advisories/GHSA-fh32-73r9-rgh5Vendor Advisory
https://www.vulncheck.com/advisories/openclaw-loopback-protection-bypass-via-traThird Party Advisory

FAQ

What is CVE-2026-41372?

CVE-2026-41372 is a vulnerability with a CVSS score of 5.8 (MEDIUM). 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 ret...

How severe is CVE-2026-41372?

CVE-2026-41372 has been rated MEDIUM with a CVSS base score of 5.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-41372?

Check the references section above for vendor advisories and patch information. Affected products include: Openclaw Openclaw.