CVE-2026-41406 — MEDIUM (5.4)

Q: How severe is CVE-2026-41406?

CVE-2026-41406 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-41406?

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

Vulnerability Description

OpenClaw before 2026.3.31 contains a sender allowlist bypass vulnerability that allows remote attackers to access restricted messages. Attackers can exploit fetched quoted, root, and thread context messages to bypass sender allowlist restrictions and retrieve unauthorized content.

CVSS Score

5.4

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Openclaw	Openclaw	< 2026.3.31

Related Weaknesses (CWE)

CWE-639

References

https://github.com/openclaw/openclaw/commit/f45e5a6569aab1d58cc6de25b19f1dc4c877Patch
https://github.com/openclaw/openclaw/security/advisories/GHSA-877v-w3f5-3pcqVendor Advisory
https://www.vulncheck.com/advisories/openclaw-sender-allowlist-bypass-via-threadThird Party Advisory

FAQ

What is CVE-2026-41406?

CVE-2026-41406 is a vulnerability with a CVSS score of 5.4 (MEDIUM). OpenClaw before 2026.3.31 contains a sender allowlist bypass vulnerability that allows remote attackers to access restricted messages. Attackers can exploit fetched quoted, root, and thread context me...

How severe is CVE-2026-41406?

CVE-2026-41406 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-41406?

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