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.
History

Thu, 07 May 2026 13:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 06 May 2026 20:15:00 +0000

Type Values Removed Values Added
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.
Title OpenClaw < 2026.4.15 - Authentication Bypass in Feishu Webhook and Card-Action Validation
First Time appeared Openclaw
Openclaw openclaw
Weaknesses CWE-1188
CPEs cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
Vendors & Products Openclaw
Openclaw openclaw
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.2, 'vector': '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-05-07T12:35:11.405Z

Reserved: 2026-05-05T11:30:46.259Z

Link: CVE-2026-44109

cve-icon Vulnrichment

Updated: 2026-05-07T12:34:52.145Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-06T20:16:34.620

Modified: 2026-05-07T19:40:45.520

Link: CVE-2026-44109

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-06T22:15:13Z