{"action":"Upgrade github.com/mattermost/mattermost-server to 10.11.14+incompatible or later.","affected":[{"fixed":"10.11.14+incompatible","introduced":"10.11.0+incompatible"},{"fixed":"11.4.4+incompatible","introduced":"11.4.0+incompatible"},{"fixed":"11.5.2+incompatible","introduced":"11.5.0+incompatible"}],"component":"github.com/mattermost/mattermost-server","cve_ids":["CVE-2026-2325"],"ecosystem":"Go","epss":0.0024,"exploited":false,"fixed_versions":["10.11.14+incompatible","11.4.4+incompatible","11.5.2+incompatible"],"ghsa_id":"GHSA-m3p3-8frq-q7qh","id":"tcs_01M5KGMNVA598BPABY3SAQAD4H","modified_at":"2026-06-25T23:01:18.280083215Z","published_at":"2026-06-25T22:34:31Z","references":["https://osv.dev/vulnerability/GO-2026-5489","https://github.com/advisories/GHSA-m3p3-8frq-q7qh","https://nvd.nist.gov/vuln/detail/CVE-2026-2325","https://github.com/mattermost/mattermost-plugin-msteams-meetings/commit/c5892dd169de865504afa2dd02eaeb6287489f7f","https://mattermost.com/security-updates"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GO-2026-5489#Go/github.com/mattermost/mattermost-server","url":"https://osv.dev/vulnerability/GO-2026-5489"},{"source":"nvd","source_id":"CVE-2026-2325","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-2325"}],"summary":"Mattermost doesn't limit the size of the request body on the start meeting API endpoint in github.com/mattermost/mattermost-plugin-msteams-meetings"}