{"id":"CVE-2026-33424","aliases":["BIT-discourse-2026-33424","EUVD-2026-13904","GHSA-hgcp-p7hq-cwxw"],"status":"published","title":"PM access granted through invites after access revocation","description":"Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, an attacker can grant access to a private message topic through invites even after they lose access to that PM. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00216,"percentile":0.12083,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-863"],"published":"2026-03-20T23:08:11Z","modified":"2026-10-28T02:30:44Z","fixes":[{"ecosystem":"Bitnami","package":"discourse","fixed_in":["2026.1.2","2026.2.1","2026.3.0"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"discourse","ranges":[{"type":"SEMVER","events":[{"introduced":"2026.1.0"},{"fixed":"2026.1.2"},{"introduced":"2026.2.0"},{"fixed":"2026.2.1"},{"introduced":"2026.3.0"},{"fixed":"2026.3.0"}]}]}],"products":[{"vendor":"discourse","product":"discourse"}],"references":[{"url":"https://github.com/discourse/discourse/security/advisories/GHSA-hgcp-p7hq-cwxw","tags":["x_refsource_CONFIRM","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33424","tags":["web","advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33424.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-33424","title":"PM access granted through invites after access revocation","description":"Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, an attacker can grant access to a private message topic through invites even after they lose access to that PM. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.","status":"published","published":"2026-03-20T23:08:11.929Z","modified":"2026-03-25T13:43:16.9Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:20:07.609948Z"}],"euvd":[{"id":"EUVD-2026-13904","description":"Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, an attacker can grant access to a private message topic through invites even after they lose access to that PM. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.","status":"published","published":"2026-03-20T23:08:11Z","modified":"2026-03-25T13:43:16Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L","level":"medium"}],"updated_at":"2026-11-02T19:25:29.547775Z"}],"nvd":[{"id":"CVE-2026-33424","description":"Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, an attacker can grant access to a private message topic through invites even after they lose access to that PM. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.","status":"published","published":"2026-03-21T00:16:26.853Z","modified":"2026-06-17T10:37:28.527Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:12:10.126802Z"}],"osv":[{"id":"CVE-2026-33424","title":"PM access granted through invites after access revocation","description":"Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, an attacker can grant access to a private message topic through invites even after they lose access to that PM. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.","status":"published","published":"2026-03-20T23:08:11.929Z","modified":"2026-10-28T02:30:44.808619723Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:45:01.896044Z"},{"id":"BIT-discourse-2026-33424","title":"PM access granted through invites after access revocation","description":"Discourse is an open-source discussion platform. Prior to versions 2026.3.0, 2026.2.1, and 2026.1.2, an attacker can grant access to a private message topic through invites even after they lose access to that PM. Versions 2026.3.0, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.","status":"published","published":"2026-03-27T07:11:13.161Z","modified":"2026-09-08T08:46:29.28517307Z","updated_at":"2026-11-02T15:28:29.152062Z"}]}}