CVE-2026-44109 | OpenClaw before 2026.4.15 contains an authentication bypass … | CVSS 9.8 CRITICAL

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.

Metadata

CVE ID: CVE-2026-44109
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-05-05 11:30 UTC
Published: 2026-05-06 19:49 UTC
Last updated: 2026-05-07 12:35 UTC
Primary CWE: CWE-1188
CWE-1188 Initialization of a Resource with an Insecure Defau…
Vendor / Product: OpenClaw / OpenClaw
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: yes
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
OpenClaw	OpenClaw	—	0 < 2026.4.15, 2026.4.15

Weakness (CWE)

CWE	Source	Description
CWE-1188	cna	CWE-1188 Initialization of a Resource with an Insecure Default

CVSS scores (2)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.2	CRITICAL	4.0	cna	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

References (3)

GitHub Security Advisory (GHSA-xh72-v6v9-mwhc) https://github.com/openclaw/openclaw/security/advisories/GHSA-xh72-v6v9-mwhc
Patch Commit https://github.com/openclaw/openclaw/commit/c8003f1b33ed2924be5f62131bd28742c5a41aae
VulnCheck Advisory: OpenClaw < 2026.4.15 - Authentication Bypass in Feishu Webhook and Card-Action Validation https://www.vulncheck.com/advisories/openclaw-authentication-bypass-in-feishu-webhook-and-card-action-validation