CVE-2026-44109

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

State: Published
Severity: 9.2 Critical
Published: May 6, 2026
Updated: May 7, 2026
Reserved: May 5, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	9.2 Critical	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	VulnCheck
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	VulnCheck

Weaknesses

CWE-1188 Initialization of a Resource with an Insecure Default

Affected Products

Product	Versions
OpenClawOpenClaw	before 2026.4.15Affected 2026.4.15Not affected

References

GitHub Security Advisory (GHSA-xh72-v6v9-mwhc)vendor-advisory
Patch Commitpatch
VulnCheck Advisory: OpenClaw < 2026.4.15 - Authentication Bypass in Feishu Webhook and Card-Action Validationthird-party-advisory

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