{"cve":"CVE-2025-54478","nvd":{"published":"2025-08-11T19:15:30.220","modified":"2026-06-17T09:40:10.560","status":"Analyzed","description":"Mattermost Confluence Plugin version <1.5.0 fails to enforce authentication of the user to the Mattermost instance which allows unauthenticated attackers to edit channel subscriptions via API call to the edit channel subscription endpoint.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","score":5.3},"cwes":["CWE-306"],"references":["https://mattermost.com/security-updates"],"products":["mattermost:confluence"],"source":"nvd","synced_at":"2026-10-19T22:06:45.861874017+00:00"},"epss":{"cve":"CVE-2025-54478","score":0.00241,"percentile":0.15322,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-qpjq-c5hr-7925","url":"https://osv.dev/vulnerability/GHSA-qpjq-c5hr-7925","summary":"Mattermost Confluence Plugin is Missing Authentication for Critical Function","modified":"2025-09-24T18:03:40Z","packages":[{"ecosystem":"Go","name":"github.com/mattermost/mattermost-plugin-confluence","purl":"pkg:golang/github.com/mattermost/mattermost-plugin-confluence","ranges":["<1.5.0"],"fixed":["1.5.0"]}]},{"id":"GO-2025-3875","url":"https://osv.dev/vulnerability/GO-2025-3875","summary":"Mattermost Confluence Plugin is Missing Authentication for Critical Function in github.com/mattermost/mattermost-plugin-confluence","modified":"2026-03-03T04:56:48.813385Z","packages":[{"ecosystem":"Go","name":"github.com/mattermost/mattermost-plugin-confluence","purl":"pkg:golang/github.com/mattermost/mattermost-plugin-confluence","ranges":["<1.5.0"],"fixed":["1.5.0"]}]}],"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."]}