CVE-2026-34505 — MEDIUM (6.5)

Q: How severe is CVE-2026-34505?

CVE-2026-34505 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-34505?

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

Vulnerability Description

OpenClaw before 2026.3.12 applies rate limiting only after successful webhook authentication, allowing attackers to bypass rate limits and brute-force webhook secrets. Attackers can submit repeated authentication requests with invalid secrets without triggering rate limit responses, enabling systematic secret guessing and subsequent forged webhook submission.

CVSS Score

6.5

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Openclaw	Openclaw	< 2026.3.12

Related Weaknesses (CWE)

CWE-307

References

https://github.com/openclaw/openclaw/security/advisories/GHSA-5m9r-p9g7-679cVendor Advisory
https://www.vulncheck.com/advisories/openclaw-webhook-rate-limiting-bypass-via-pThird Party Advisory

FAQ

What is CVE-2026-34505?

CVE-2026-34505 is a vulnerability with a CVSS score of 6.5 (MEDIUM). OpenClaw before 2026.3.12 applies rate limiting only after successful webhook authentication, allowing attackers to bypass rate limits and brute-force webhook secrets. Attackers can submit repeated au...

How severe is CVE-2026-34505?

CVE-2026-34505 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-34505?

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