{"id":"BIT-discourse-2026-32951","summary":"Discourse: Authorization bypass in oneboxer via user-controlled category id","details":"Discourse is an open-source discussion platform. From versions 2026.1.0 to before 2026.1.3, and 2026.2.0 to before 2026.2.2, an authenticated user can obtain shared draft topic titles by sending an inline onebox request with a category_id parameter matching the shared drafts category. This issue has been patched in versions 2026.1.3, 2026.2.2, and 2026.3.0.","aliases":["CVE-2026-32951","GHSA-v93g-8f4f-4rgm"],"modified":"2026-09-08T08:46:30.584912616Z","published":"2026-04-07T08:44:01.614Z","database_specific":{"cpes":["cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*"],"severity":"Medium"},"references":[{"type":"FIX","url":"https://github.com/discourse/discourse/commit/0b4e6ff170362823d1cfe2a1a096785d0d77ee83"},{"type":"ADVISORY","url":"https://github.com/discourse/discourse/security/advisories/GHSA-v93g-8f4f-4rgm"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-32951"}],"affected":[{"package":{"name":"discourse","ecosystem":"Bitnami","purl":"pkg:bitnami/discourse"},"ranges":[{"type":"SEMVER","events":[{"introduced":"2026.1.0"},{"fixed":"2026.1.3"},{"introduced":"2026.2.0"},{"fixed":"2026.2.2"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/discourse/BIT-discourse-2026-32951.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"}]}],"schema_version":"1.9.0"}