CVE-2026-30891 — Discourse hasUnauthorized Exposure of Private User Action Types

CVE-2026-30891

Discourse hasUnauthorized Exposure of Private User Action Types PUBLISHED

Description (CNA)

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, a user could access another user's private activity due to insufficient authorization checks in the user actions endpoint. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch.

Affected (CNA)

Vendor / product	Versions
discourse / discourse	affected >= 2026.1.0-latest, < 2026.1.2; affected >= 2026.2.0-latest, < 2026.2.1; affected = 2026.3.0-latest.1

CWE

CWE-200

References

https://github.com/discourse/discourse/security/advisories/GHSA-ww5f-24g5-c33g

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.