CVE-2026-43534 CRITICAL

CVE-2026-43534: OpenClaw < 2026.4.10 - Unsanitized External Input in Agent Hook Events

Vendor Openclaw
Product OpenClaw
Weakness CWE-345
Published May 5, 2026
Last update May 6, 2026
View on NVD All CVEs

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 5, 2026 CVE published
May 6, 2026 Record updated