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.

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History

Tue, 16 Jun 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 16 Jun 2026 18:30:00 +0000

Type Values Removed Values Added
Description 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.
Title OpenClaw < 2026.5.12 - Slack Reaction Event Notification Bypass
First Time appeared Openclaw
Openclaw openclaw
Weaknesses CWE-862
CPEs cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
Vendors & Products Openclaw
Openclaw openclaw
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}

cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-06-16T18:55:36.416Z

Reserved: 2026-06-10T21:21:12.125Z

Link: CVE-2026-53851

cve-icon Vulnrichment

Updated: 2026-06-16T18:43:06.532Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-06-16T19:17:02.327

Modified: 2026-06-16T20:42:46.200

Link: CVE-2026-53851

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-16T20:15:16Z

Weaknesses