Incorrect Authorization Affecting github.com/mattermost/mattermost-plugin-playbooks/server/api package, versions <2.4.3-rc1>=2.5.0-rc1 <2.6.2-rc1
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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Start learning- Snyk IDSNYK-GOLANG-GITHUBCOMMATTERMOSTMATTERMOSTPLUGINPLAYBOOKSSERVERAPI-15702282
- published20 Mar 2026
- disclosed16 Mar 2026
- credit0x7oda7123
Introduced: 16 Mar 2026
CVE-2026-26304 Â (opens in a new tab)How to fix?
Upgrade github.com/mattermost/mattermost-plugin-playbooks/server/api to version 2.4.3-rc1, 2.6.2-rc1 or higher.
Overview
Affected versions of this package are vulnerable to Incorrect Authorization via the playbook run API when the run_create permission is not verified for an empty playbookId. An attacker can initiate unauthorized playbook runs by sending crafted API requests.