CVE-2026-41395 — HIGH (7.5)

Q: How severe is CVE-2026-41395?

CVE-2026-41395 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-41395?

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

Vulnerability Description

OpenClaw before 2026.3.28 contains a webhook replay vulnerability in Plivo V3 signature verification that canonicalizes query ordering for signatures but hashes raw URLs for replay detection. Attackers can reorder query parameters to bypass replay cache detection and trigger duplicate voice-call processing with a captured valid signed webhook.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Openclaw	Openclaw	< 2026.3.28

Related Weaknesses (CWE)

CWE-325

References

https://github.com/openclaw/openclaw/security/advisories/GHSA-8689-gm9g-jgr6Vendor Advisory
https://www.vulncheck.com/advisories/openclaw-webhook-replay-via-query-parameterThird Party Advisory

FAQ

What is CVE-2026-41395?

CVE-2026-41395 is a vulnerability with a CVSS score of 7.5 (HIGH). OpenClaw before 2026.3.28 contains a webhook replay vulnerability in Plivo V3 signature verification that canonicalizes query ordering for signatures but hashes raw URLs for replay detection. Attacker...

How severe is CVE-2026-41395?

CVE-2026-41395 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-41395?

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