{"id":"BIT-discourse-2026-33426","summary":"Discourse users can edit or synonymize hidden tags they can't see","details":"Discourse is an open-source discussion platform. Prior to versions 2026.3.0, 2026.2.1, and 2026.1.2, users with tag-editing permissions could edit and create synonyms for tags hidden in restricted tag groups, even if they lacked visibility into those tags. Versions 2026.3.0, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.","aliases":["CVE-2026-33426","GHSA-2289-4m46-2hxh"],"modified":"2026-09-08T08:46:09.222363156Z","published":"2026-03-27T07:11:18.684Z","database_specific":{"severity":"Low","cpes":["cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*"]},"references":[{"type":"ADVISORY","url":"https://github.com/discourse/discourse/security/advisories/GHSA-2289-4m46-2hxh"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33426"}],"affected":[{"package":{"name":"discourse","ecosystem":"Bitnami","purl":"pkg:bitnami/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"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/discourse/BIT-discourse-2026-33426.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N"}]}],"schema_version":"1.9.0"}