CVE-2026-43534 — CRITICAL (9.1)

Q: How severe is CVE-2026-43534?

CVE-2026-43534 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2026-43534?

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

Vulnerability Description

OpenClaw before 2026.4.10 contains an input validation vulnerability that allows external hook metadata to be enqueued as trusted system events. Attackers can supply malicious hook names to escalate untrusted input into higher-trust agent context.

CVSS Score

9.1

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Openclaw	Openclaw	< 2026.4.10

Related Weaknesses (CWE)

CWE-345

References

https://github.com/openclaw/openclaw/commit/e3a845bde5b54f4f1e742d0a51ba9860f961Patch
https://github.com/openclaw/openclaw/security/advisories/GHSA-7g8c-cfr3-vqqrVendor Advisory
https://www.vulncheck.com/advisories/openclaw-unsanitized-external-input-in-agenThird Party Advisory

FAQ

What is CVE-2026-43534?

CVE-2026-43534 is a vulnerability with a CVSS score of 9.1 (CRITICAL). OpenClaw before 2026.4.10 contains an input validation vulnerability that allows external hook metadata to be enqueued as trusted system events. Attackers can supply malicious hook names to escalate u...

How severe is CVE-2026-43534?

CVE-2026-43534 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-43534?

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