CVE-2026-43534

OpenClaw < 2026.4.10 - Unsanitized External Input in Agent Hook Events

State
Published
Severity
9.3 Critical
Published
May 5, 2026
Updated
May 6, 2026
Reserved
May 1, 2026

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
4.09.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:NVulnCheck
3.19.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NVulnCheck

Weaknesses

  • CWE-345 Insufficient Verification of Data Authenticity

Affected Products

ProductVersions
OpenClawOpenClaw
  • before 2026.4.10Affected
  • 2026.4.10Not affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.