Security Advisory

CVE-2026-53837

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-06-12 21:57:00

Last updated 2026-06-15 15:10:01

Assigner VulnCheck

CVSS score 6.3

State PUBLISHED

Description

OpenClaw before 2026.5.6 contains an improper access control vulnerability in Mattermost event handlers that fails to validate channel type metadata. Attackers can bypass intended DM policy decisions by sending crafted Mattermost events missing channel type information to process restricted content.

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