CVE-2026-43534

CRITICAL

OpenClaw < 2026.4.10 - Unsanitized External Input in Agent Hook Events

Title source: cna
STIX 2.1

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.

References (3)

Core 3
Core References
Vendor Advisory vendor-advisory
GitHub Security Advisory (GHSA-7g8c-cfr3-vqqr)
https://github.com/openclaw/openclaw/security/advisories/GHSA-7g8c-cfr3-vqqr
Third Party Advisory third-party-advisory
VulnCheck Advisory: OpenClaw < 2026.4.10 - Unsanitized External Input in Agent Hook Events
https://www.vulncheck.com/advisories/openclaw-unsanitized-external-input-in-agent-hook-events

Scores

CVSS v3 9.1
EPSS 0.0001
EPSS Percentile 2.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Details

CWE
CWE-345
Status published
Products (3)
npm/openclaw 0 - 2026.4.10npm
OpenClaw/OpenClaw < 2026.4.10
OpenClaw/OpenClaw 2026.4.10
Published May 05, 2026
Tracked Since May 05, 2026