CVE-2026-35642

| EUVD-2026-21138 MEDIUM
2026-04-09 VulnCheck GHSA-3grx-cg6p-5wc6
5.3
CVSS 4.0
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CVSS Vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

4
EUVD ID Assigned
Apr 09, 2026 - 21:45 euvd
EUVD-2026-21138
Analysis Generated
Apr 09, 2026 - 21:45 vuln.today
Patch Released
Apr 09, 2026 - 21:45 nvd
Patch available
CVE Published
Apr 09, 2026 - 21:27 nvd
MEDIUM 5.3

Tags

Authentication Bypass Openclaw

Description

OpenClaw before 2026.3.25 contains an authorization bypass vulnerability where group reaction events bypass the requireMention access control mechanism. Attackers can trigger reactions in mention-gated groups to enqueue agent-visible system events that should remain restricted.

Analysis

OpenClaw before version 2026.3.25 allows authenticated attackers to bypass authorization controls in mention-gated groups by triggering reaction events that circumvent the requireMention access control mechanism, enabling them to enqueue agent-visible system events that should remain restricted. This medium-severity vulnerability (CVSS 5.3) affects the integrity of group-based access policies and requires user interaction at the network level but leverages low privilege requirements.

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Priority Score

26
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +26
POC: 0

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CVE-2026-35642 vulnerability details – vuln.today
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