CVE-2026-43534
OpenClaw: Agent hook events could enqueue trusted system events from unsanitized external input
Severity by source
Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by GHSA (medium).
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.
Affected packages and fixed versions
| Source | Package | Fixed in |
|---|---|---|
| minimos | openclaw | 2026.4.10-r0 |
| npm::GitHub Security Advisory npm | openclaw | 2026.4.10 |
References
- https://github.com/openclaw/openclaw
- https://github.com/openclaw/openclaw/commit/e3a845bde5b54f4f1e742d0a51ba9860f9619b29
- https://github.com/openclaw/openclaw/pull/64372
- https://github.com/openclaw/openclaw/security/advisories/GHSA-7g8c-cfr3-vqqr
- https://nvd.nist.gov/vuln/detail/CVE-2026-43534
- https://www.vulncheck.com/advisories/openclaw-unsanitized-external-input-in-agent-hook-events