Insufficient Session Expiration Affecting @openclaw/mattermost package, versions *
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published22 Jun 2026
- disclosed12 Jun 2026
- creditfeynman-hou
Introduced: 12 Jun 2026
NewCVE-2026-53824 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
@openclaw/mattermost is an OpenClaw Mattermost channel plugin
Affected versions of this package are vulnerable to Insufficient Session Expiration due to a delay in the monitor refresh process. An attacker can continue to execute unauthorized commands by exploiting the acceptance of revoked slash tokens during the refresh window.