# CVE-2025-14273: Mattermost Jira plugin user spoofing enables Jira request forgery.

> CVE-2025-14273: Mattermost Jira plugin user spoofing enables Jira request forgery.. CVSS 7.2 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2025-14273
Last updated: 2026-10-14T19:10:00Z

- Published: 2025-12-22 11:24 UTC · Updated: 2026-10-14 19:10 UTC · Assigner: Mattermost
- CVSS: 7.2 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L
- EPSS: 0.26%, 18th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-303

## Description

Mattermost versions 11.1.x \<= 11.1.0, 11.0.x \<= 11.0.5, 10.12.x \<= 10.12.3, 10.11.x \<= 10.11.7 with the Jira plugin enabled and Mattermost Jira plugin versions \<=4.4.0 fail to enforce authentication and issue-key path restrictions in the Jira plugin, which allows an unauthenticated attacker who knows a valid user ID to issue authenticated GET and POST requests to the Jira server via crafted plugin payloads that spoof the user ID and inject arbitrary issue key paths. Mattermost Advisory ID: MMSA-2025-00555

## Affected vendors and products

- Mattermost: Mattermost

## Tracked companies

- [Mattermost](https://rewindex.com/company/mattermost.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2025-14273)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2025-14273)
- [https://mattermost.com/security-updates](https://mattermost.com/security-updates)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2025-14273 · Markdown: https://rewindex.com/cve/CVE-2025-14273.md · JSON: https://rewindex.com/api/v1/cves/CVE-2025-14273 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:16:58.086Z