Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/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
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/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
Lifecycle Timeline
4Blast Radius
ecosystem impact- 1 npm packages depend on openclaw (1 direct, 0 indirect)
Ecosystem-wide dependent count for version 2026.3.12.
DescriptionCVE.org
OpenClaw before 2026.3.12 contains an authorization bypass vulnerability where Feishu reaction events with omitted chat_type are misclassified as p2p conversations instead of group chats. Attackers can exploit this misclassification to bypass groupAllowFrom and requireMention protections in group chat reaction-derived events.
AnalysisAI
OpenClaw before version 2026.3.12 permits authorization bypass in Feishu reaction event handling when chat_type parameters are omitted, causing group chat events to be misclassified as peer-to-peer conversations and allowing attackers to circumvent groupAllowFrom and requireMention security controls. Unauthenticated remote attackers can exploit this with low complexity to achieve partial confidentiality and integrity impacts. No public exploit code has been identified, but the vulnerability is straightforward to trigger once the root cause is understood.
Technical ContextAI
OpenClaw is a Feishu (DingTalk-alternative messaging platform) bot framework that enforces access controls via groupAllowFrom and requireMention directives on group chat reaction events. The vulnerability stems from improper input validation (CWE-863: Incorrect Authorization) in the event classification logic. When Feishu reaction events arrive without an explicit chat_type field, OpenClaw's code defaults to or misinterprets the event as a peer-to-peer (p2p) conversation rather than a group chat. This misclassification causes the authorization decision logic to skip group-specific restrictions, treating a group-sourced event with p2p rules. The root cause is insufficient validation of the chat_type parameter before the authorization decision is rendered.
RemediationAI
Upgrade OpenClaw to version 2026.3.12 or later immediately. This patched version restores proper validation of the chat_type parameter in Feishu reaction events, ensuring group chat events are correctly classified and subject to groupAllowFrom and requireMention protections. No workarounds for earlier versions are documented; patch deployment is the only remediation path. Consult the GitHub Security Advisory at https://github.com/openclaw/openclaw/security/advisories/GHSA-m69h-jm2f-2pv8 and VulnCheck advisory at https://www.vulncheck.com/advisories/openclaw-authorization-bypass-via-misclassified-reaction-events-in-feishu for patch deployment guidance and confirmation of successful update.
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Same weakness CWE-863 – Incorrect Authorization
View allSame technique Authentication Bypass
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-17007
GHSA-988c-qpg2-7hpv