CVE-2026-53851

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.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/openclaw/openclaw/security/advisories/GHSA-fcvx-5cxc-v5p8
https://www.vulncheck.com/advisories/openclaw-slack-reaction-event-notification-bypass

Configurations

No configuration.

History

16 Jun 2026, 19:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-16 19:17

Updated : 2026-06-16 20:42

NVD link : CVE-2026-53851

Mitre link : CVE-2026-53851

CVE.ORG link : CVE-2026-53851

JSON object : View

Products Affected

No product.

CWE

CWE-862

Missing Authorization

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