{"id":"CVE-2026-44787","summary":"Discourse: Signup-time primary_group_id assignment grants whisperer access","details":"Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, the signup flow could allow newly registered users to set primary_group_id and gain whisper-group privileges without legitimate group membership on sites with whispers_allowed_groups configured. This issue is fixed in versions 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5.","aliases":["BIT-discourse-2026-44787","GHSA-vmwq-jvxx-jwfx"],"modified":"2026-07-16T03:48:33.734622092Z","published":"2026-07-09T22:03:41.409Z","database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-269"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44787.json"},"references":[{"type":"WEB","url":"https://github.com/discourse/discourse/releases/tag/v2026.1.5"},{"type":"WEB","url":"https://github.com/discourse/discourse/releases/tag/v2026.4.2"},{"type":"WEB","url":"https://github.com/discourse/discourse/releases/tag/v2026.5.1"},{"type":"WEB","url":"https://github.com/discourse/discourse/releases/tag/v2026.6.0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44787.json"},{"type":"ADVISORY","url":"https://github.com/discourse/discourse/security/advisories/GHSA-vmwq-jvxx-jwfx"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44787"},{"type":"FIX","url":"https://github.com/discourse/discourse/commit/012796ac28c85b30aa233c5ef042fc66efff8126"},{"type":"FIX","url":"https://github.com/discourse/discourse/commit/0f50a07a6ef4b33f3f826ce6d7bf6d7bd16912d8"},{"type":"FIX","url":"https://github.com/discourse/discourse/commit/5418e3027dba109e27a4796463686d61e190ac29"},{"type":"FIX","url":"https://github.com/discourse/discourse/commit/6fc7e6cf04422fc3f9d1c99134803071e983ff0a"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/discourse/discourse","events":[{"introduced":"322d3c0ac6a8f133b3f82875e9dbbe310f638c1b"},{"fixed":"c06899647d758493d95a5b301e573ffa3db1e878"},{"introduced":"fdd750d960e603415db62242eca3c30d68e366db"},{"fixed":"4bbdddfc6700ca23604242111d4fa0e00347af97"},{"introduced":"640840d818f4ee9375829ece0ef452923bb0c012"},{"fixed":"598586ccf2e046a25d4b54132e4e1feb47f24e98"},{"introduced":"06d03da34c4ed09ea59f917f045ba250d2b6320d"},{"fixed":"012796ac28c85b30aa233c5ef042fc66efff8126"},{"fixed":"0f50a07a6ef4b33f3f826ce6d7bf6d7bd16912d8"},{"fixed":"5418e3027dba109e27a4796463686d61e190ac29"},{"fixed":"6fc7e6cf04422fc3f9d1c99134803071e983ff0a"},{"fixed":"06d03da34c4ed09ea59f917f045ba250d2b6320d"}],"database_specific":{"cpe":["cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*","cpe:2.3:a:discourse:discourse:2026.6.0:*:*:*:latest:*:*:*"],"extracted_events":[{"introduced":"2026.1.0"},{"fixed":"2026.1.5"},{"introduced":"2026.4.0"},{"fixed":"2026.4.2"},{"introduced":"2026.5.0"},{"fixed":"2026.5.1"},{"introduced":"2026.6.0"},{"last_affected":"2026.6.0"}],"source":["CPE_RANGE","CPE_STRING","REFERENCES"]}}],"versions":["2026.6.0","v2026.5.0","v2026.6.0-latest","v2026.1.4","v2026.4.1","v2026.5.0-latest.1","v2026.4.0","v2026.5.0-latest","v2026.1.3","v2026.4.0-latest","v2026.1.2","v2026.1.1","v2026.1.0","stable","esr","v2026.1.0-latest"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-44787.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N"}]}