{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"github.com/mattermost/mattermost-server/v5","cve_ids":["CVE-2026-6343"],"ecosystem":"Go","epss":0.00165,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-m79q-8qf5-v622","id":"tcs_01M5KGMQK9Z2MEQJY6A1YXES0C","modified_at":"2026-06-25T23:01:18.292042046Z","published_at":"2026-06-25T22:34:31Z","references":["https://osv.dev/vulnerability/GO-2026-5494","https://github.com/advisories/GHSA-m79q-8qf5-v622","https://nvd.nist.gov/vuln/detail/CVE-2026-6343","https://github.com/mattermost/mattermost-plugin-playbooks/commit/887d9cacb61655d40f20ad9d6e35b408a127c380","https://mattermost.com/security-updates"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"GO-2026-5494#Go/github.com/mattermost/mattermost-server/v5","url":"https://osv.dev/vulnerability/GO-2026-5494"},{"source":"nvd","source_id":"CVE-2026-6343","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6343"}],"summary":"Mattermost doesn't check public/private permissions in github.com/mattermost/mattermost-plugin-playbooks"}