{"cve":"CVE-2025-53910","nvd":{"published":"2025-08-11T19:15:29.747","modified":"2026-06-17T09:39:07.103","status":"Analyzed","description":"Mattermost Confluence Plugin version <1.5.0 fails to check the access of the user to the channel which allows attackers to create a channel subscription without proper access to the channel via API call to the edit channel subscription endpoint.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N","score":4.0},"cwes":["CWE-862"],"references":["https://mattermost.com/security-updates"],"products":["mattermost:confluence"],"source":"nvd","synced_at":"2026-10-19T22:06:45.861874017+00:00"},"epss":{"cve":"CVE-2025-53910","score":0.00198,"percentile":0.09533,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-v6c8-g53h-mc2h","url":"https://osv.dev/vulnerability/GHSA-v6c8-g53h-mc2h","summary":"Mattermost Confluence Plugin has Missing Authorization vulnerability","modified":"2025-08-18T13:57:12.356401Z","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-2025-3869","url":"https://osv.dev/vulnerability/GO-2025-3869","summary":"Mattermost Confluence Plugin has Missing Authorization vulnerability in github.com/mattermost/mattermost-plugin-confluence","modified":"2026-03-03T04:56:48.011576Z","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."]}