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CVE PROGRAM SOURCE RECORD0.0 None

CVE-2026-26979

Discourse: TL4 users are able to change status of restricted topics

Description

Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, TL4 users are able to close, archive and pin topics in private categories they don't have access to. Versions 2025.12.2, 2026.1.1, and 2026.2.0 patch the issue. No known workarounds are available.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

discourse discourse

  • < 2025.12.2affected
  • >= 2026.1.0-latest, < 2026.1.1affected
  • >= 2026.2.0-latest, < 2026.2.0affected

References