{"cve":"CVE-2025-13324","nvd":{"published":"2025-12-17T19:16:01.093","modified":"2026-10-13T11:10:00.203","status":"Analyzed","description":"Mattermost versions 10.11.x <= 10.11.5, 11.0.x <= 11.0.4, 10.12.x <= 10.12.2 fail to invalidate remote cluster invite tokens when using the legacy (version 1) protocol or when the confirming party does not provide a refreshed token, which allows an attacker who has obtained an invite token to authenticate as the remote cluster and perform limited actions on shared channels even after the invitation has been legitimately confirmed.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","score":3.7},"cwes":["CWE-863"],"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-2025-13324","score":0.00199,"percentile":0.09673,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-x3r8-2hmh-89f5","url":"https://osv.dev/vulnerability/GHSA-x3r8-2hmh-89f5","summary":"Mattermost has an Invite Token Replay Vulnerability via Channel Membership Manipulation","modified":"2025-12-30T02:26:00.406815Z","packages":[{"ecosystem":"Go","name":"github.com/mattermost/mattermost","purl":"pkg:golang/github.com/mattermost/mattermost","ranges":[">=10.12.0 <10.12.2"],"fixed":["10.12.2"]},{"ecosystem":"Go","name":"github.com/mattermost/mattermost","purl":"pkg:golang/github.com/mattermost/mattermost","ranges":[">=10.11.0-rc1 <10.11.5"],"fixed":["10.11.5"]},{"ecosystem":"Go","name":"github.com/mattermost/mattermost","purl":"pkg:golang/github.com/mattermost/mattermost","ranges":[">=11.0.0-alpha.1 <11.0.4"],"fixed":["11.0.4"]},{"ecosystem":"Go","name":"github.com/mattermost/mattermost/server/v8","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8","ranges":["<8.0.0-20251031095924-e7e23b94e006"],"fixed":["8.0.0-20251031095924-e7e23b94e006"]},{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server","purl":"pkg:golang/github.com/mattermost/mattermost-server","ranges":["<11.0.4"],"fixed":["11.0.4"]}]},{"id":"GO-2025-4256","url":"https://osv.dev/vulnerability/GO-2025-4256","summary":"Mattermost has an Invite Token Replay Vulnerability via Channel Membership Manipulation in github.com/mattermost/mattermost","modified":"2026-03-03T04:57:48.722767Z","packages":[{"ecosystem":"Go","name":"github.com/mattermost/mattermost","purl":"pkg:golang/github.com/mattermost/mattermost","ranges":[">=10.11.0-rc1+incompatible <10.11.5+incompatible",">=10.12.0+incompatible <10.12.2+incompatible",">=11.0.0-alpha.1+incompatible <11.0.4+incompatible"],"fixed":["10.11.5+incompatible","10.12.2+incompatible","11.0.4+incompatible"]},{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server","purl":"pkg:golang/github.com/mattermost/mattermost-server","ranges":["<11.0.4+incompatible"],"fixed":["11.0.4+incompatible"]},{"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":["<8.0.0-20251031095924-e7e23b94e006"],"fixed":["8.0.0-20251031095924-e7e23b94e006"]}]}],"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."]}