CVE-2026-43534CRITICAL 9.8EPSS p8.7%

CVE-2026-43534CVE-2026-43534

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.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.19% probability of exploitation · percentile 8.7% · 2026-06-19T12:03:05Z
Published2026-05-05
Last modified2026-05-07

Underlying weaknesses· 1

CWE-345

References

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

1

TypeTargetConfidenceTier
WeaknessInsufficient Verification of Data Authenticitycwe-3450%live

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