CVE-2026-44109

CRITICAL 9.8

OpenClaw < 2026.4.15 - Authentication Bypass in Feishu Webhook and Card-Action Validation

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

OpenClaw before 2026.4.15 contains an authentication bypass vulnerability in Feishu webhook and card-action validation that allows unauthenticated requests to reach command dispatch. Missing encryptKey configuration and blank callback tokens fail open instead of rejecting requests, enabling attackers to bypass signature verification and replay protection to execute arbitrary commands.

CWE	CWE-1188
Vendor	openclaw
Product	openclaw
Published	May 6, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

OpenClaw / OpenClaw

0 < 2026.4.15

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/openclaw/openclaw/security/advisories/GHSA-xh72-v6v9-mwhc github.com: https://github.com/openclaw/openclaw/commit/c8003f1b33ed2924be5f62131bd28742c5a41aae vulncheck.com: https://www.vulncheck.com/advisories/openclaw-authentication-bypass-in-feishu-webhook-and-card-action-validation

Credits

🔍 dhyabi2