{"id":"BIT-discourse-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":["CVE-2026-44787","GHSA-vmwq-jvxx-jwfx"],"modified":"2026-09-08T08:46:22.888947397Z","published":"2026-07-15T15:56:12.702Z","database_specific":{"cpes":["cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*"],"severity":"High"},"references":[{"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"},{"type":"ARTICLE","url":"https://github.com/discourse/discourse/releases/tag/v2026.1.5"},{"type":"ARTICLE","url":"https://github.com/discourse/discourse/releases/tag/v2026.4.2"},{"type":"ARTICLE","url":"https://github.com/discourse/discourse/releases/tag/v2026.5.1"},{"type":"ARTICLE","url":"https://github.com/discourse/discourse/releases/tag/v2026.6.0"},{"type":"ADVISORY","url":"https://github.com/discourse/discourse/security/advisories/GHSA-vmwq-jvxx-jwfx"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44787"}],"affected":[{"package":{"name":"discourse","ecosystem":"Bitnami","purl":"pkg:bitnami/discourse"},"ranges":[{"type":"SEMVER","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"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/discourse/BIT-discourse-2026-44787.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N"}]}],"schema_version":"1.9.0"}