Incorrect Implementation of Authentication Algorithm Affecting github.com/mattermost/mattermost-plugin-jira/server package, versions <4.5.0-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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Test your applications- Snyk IDSNYK-GOLANG-GITHUBCOMMATTERMOSTMATTERMOSTPLUGINJIRASERVER-14552742
- published23 Dec 2025
- disclosed22 Dec 2025
- creditJuho Forsén
Introduced: 22 Dec 2025
CVE-2025-14273 (opens in a new tab)How to fix?
Upgrade github.com/mattermost/mattermost-plugin-jira/server to version 4.5.0-rc1 or higher.
Overview
Affected versions of this package are vulnerable to Incorrect Implementation of Authentication Algorithm due to the authentication and issue-key path restrictions are not properly enforced. An attacker can impersonate another user and send authenticated GET and POST requests to the Jira server by crafting plugin payloads that spoof a user ID and inject arbitrary issue key paths.