{"cve":"CVE-2025-14273","nvd":{"published":"2025-12-22T12:16:19.240","modified":"2026-10-14T19:10:00.297","status":"Analyzed","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","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L","score":8.3},"cwes":["CWE-303"],"references":["https://mattermost.com/security-updates"],"products":["mattermost:mattermost_server"],"source":"nvd","synced_at":"2026-10-19T22:17:07.138532058+00:00"},"epss":{"cve":"CVE-2025-14273","score":0.00263,"percentile":0.17981,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-qvmc-92vg-6r35","url":"https://osv.dev/vulnerability/GHSA-qvmc-92vg-6r35","summary":"Mattermost with Jira plugin enabled has Incorrect Implementation of Authentication Algorithm","modified":"2026-02-03T03:14:36.404193Z","packages":[{"ecosystem":"Go","name":"github.com/mattermost/mattermost/server/v8","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8","ranges":["<8.0.0-20251121122154-b57c297c6d7a"],"fixed":["8.0.0-20251121122154-b57c297c6d7a"]},{"ecosystem":"Go","name":"github.com/mattermost/mattermost-plugin-jira","purl":"pkg:golang/github.com/mattermost/mattermost-plugin-jira","ranges":["<4.4.1"],"fixed":["4.4.1"]}]},{"id":"GO-2026-4275","url":"https://osv.dev/vulnerability/GO-2026-4275","summary":"Mattermost with Jira plugin enabled has Incorrect Implementation of Authentication Algorithm in github.com/mattermost/mattermost-plugin-jira","modified":"2026-03-03T04:57:50.074264Z","packages":[{"ecosystem":"Go","name":"github.com/mattermost/mattermost-plugin-jira","purl":"pkg:golang/github.com/mattermost/mattermost-plugin-jira","ranges":["all versions"],"fixed":[]},{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server","purl":"pkg:golang/github.com/mattermost/mattermost-server","ranges":["all versions"],"fixed":[]},{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server/v5","purl":"pkg:golang/github.com/mattermost/mattermost-server/v5","ranges":["all versions"],"fixed":[]},{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server/v6","purl":"pkg:golang/github.com/mattermost/mattermost-server/v6","ranges":["all versions"],"fixed":[]},{"ecosystem":"Go","name":"github.com/mattermost/mattermost/server/v8","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8","ranges":["<8.0.0-20251121122154-b57c297c6d7a"],"fixed":["8.0.0-20251121122154-b57c297c6d7a"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}