What’s Vulnerable › Vulnerabilities

CVE-2026-44109: OpenClaw < 2026.4.15 - Authentication Bypass in Feishu Webhook and Card-Action Validation

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-06 · updated 2026-06-17
• Weakness: CWE-1188

Description

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.

Affected products

• OpenClaw: before 2026.4.15 — fixed in 2026.4.15

How to fix

Upgrade to a fixed version: OpenClaw 2026.4.15. Check the vendor advisory for mitigations.

References

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

Get alerted when CVE-2026-44109 or the next vulnerability affects your stack