CVE-2026-43534

CRITICAL 9.1

OpenClaw < 2026.4.10 - Unsanitized External Input in Agent Hook Events

CVSS Score

9.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-345
Vendor	openclaw
Product	openclaw
Published	May 5, 2026

Stay Ahead of the Next One

Get instant alerts for openclaw openclaw

Be the first to know when new critical vulnerabilities affecting openclaw openclaw are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Affected Versions

OpenClaw / OpenClaw

0 < 2026.4.10

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 zsx (@zsxsoft) qclawer KeenSecurityLab