CVE-2026-44787
8.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| discourse | discourse | >= 2026.1.0-latest, < 2026.1.5 | affected |
| discourse | discourse | >= 2026.4.0-latest, < 2026.4.2 | affected |
| discourse | discourse | >= 2026.5.0-latest, < 2026.5.1 | affected |
Weaknesses
- CWE-269: CWE-269: Improper Privilege Management
References
- https://github.com/discourse/discourse/security/advisories/GHSA-vmwq-jvxx-jwfx
- https://github.com/discourse/discourse/commit/012796ac28c85b30aa233c5ef042fc66efff8126
- https://github.com/discourse/discourse/commit/0f50a07a6ef4b33f3f826ce6d7bf6d7bd16912d8
- https://github.com/discourse/discourse/commit/5418e3027dba109e27a4796463686d61e190ac29
- https://github.com/discourse/discourse/commit/6fc7e6cf04422fc3f9d1c99134803071e983ff0a
- https://github.com/discourse/discourse/releases/tag/v2026.1.5
- https://github.com/discourse/discourse/releases/tag/v2026.4.2
- https://github.com/discourse/discourse/releases/tag/v2026.5.1
- https://github.com/discourse/discourse/releases/tag/v2026.6.0
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