Vulnerability DatabaseCVE-2026-53851
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CVE-2026-53851
Published:June 16, 2026
Updated:June 29, 2026
OpenClaw before 2026.5.12 contains a notification bypass vulnerability allowing Slack reaction events to enter the agent pipeline despite disabled reaction notifications. Attackers can trigger unintended agent processing by sending reaction events when the feature is enabled, potentially leading to unauthorized processing of lower-trust input.
Affected Packages
openclaw (NPM):
Affected version(s) >=0.0.1 <2026.5.12
Fix Suggestion:
Update to version 2026.5.12
openclaw (NPM):
Affected version(s) >=0.0.1 <2026.5.12
Fix Suggestion:
Update to version 2026.5.12
Related Resources (4)
https://github.com/openclaw/openclaw/security/advisories/GHSA-fcvx-5cxc-v5p8
https://github.com/openclaw/openclaw
https://nvd.nist.gov/vuln/detail/CVE-2026-53851
https://www.vulncheck.com/advisories/openclaw-slack-reaction-event-notification-bypass
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CVSS v4
Base Score:
6.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Missing Authorization
CWE-862
Improper Authorization
CWE-285
EPSS
Base Score:
0.19