Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 10.4%
CVSS Severity
CVSS v3 Score 5.3