CVE-2026-43534

OpenClaw < 2026.4.10 - Unsanitized External Input in Agent Hook Events

CVSS 9.3 CRITICALEPSS 0.2%CWE-345

Vexday Risk Score

28Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 9.3EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

05 May 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

Affected products

OpenClaw · OpenClaw

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References

https://github.com/openclaw/openclaw/commit/e3a845bde5b54f4f1e742d0a51ba9860f9619b29 https://github.com/openclaw/openclaw/security/advisories/GHSA-7g8c-cfr3-vqqr https://www.vulncheck.com/advisories/openclaw-unsanitized-external-input-in-agent-hook-events