High severity8.2NVD Advisory· Published Jul 9, 2026· Updated Jul 14, 2026
CVE-2026-44787
CVE-2026-44787
Description
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.
Affected products
4<2026.6.0, <2026.5.1, <2026.4.2, <2026.1.5+ 2 more
- (no CPE)range: <2026.6.0, <2026.5.1, <2026.4.2, <2026.1.5
- cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*range: >=2026.1.0,<2026.1.5
- cpe:2.3:a:discourse:discourse:2026.6.0:*:*:*:latest:*:*:*
Patches
Vulnerability mechanics
References
9- github.com/discourse/discourse/commit/012796ac28c85b30aa233c5ef042fc66efff8126nvdPatch
- github.com/discourse/discourse/commit/0f50a07a6ef4b33f3f826ce6d7bf6d7bd16912d8nvdPatch
- github.com/discourse/discourse/commit/5418e3027dba109e27a4796463686d61e190ac29nvdPatch
- github.com/discourse/discourse/commit/6fc7e6cf04422fc3f9d1c99134803071e983ff0anvdPatch
- github.com/discourse/discourse/security/advisories/GHSA-vmwq-jvxx-jwfxnvdVendor AdvisoryMitigation
- github.com/discourse/discourse/releases/tag/v2026.1.5nvdRelease Notes
- github.com/discourse/discourse/releases/tag/v2026.4.2nvdRelease Notes
- github.com/discourse/discourse/releases/tag/v2026.5.1nvdRelease Notes
- github.com/discourse/discourse/releases/tag/v2026.6.0nvdRelease Notes
News mentions
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