CVE-2026-27149

Summary

Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, SQL injection in PM tag filtering (list_private_messages_tag) allows bypassing tag filter conditions, potentially disclosing unauthorized private message metadata. Versions 2025.12.2, 2026.1.1, and 2026.2.0 patch the issue. No known workarounds are available.

Affected Software

VendorProductVersion RangeStatus
discoursediscourse< 2025.12.2affected
discoursediscourse>= 2026.1.0-latest, < 2026.1.1affected
discoursediscourse>= 2026.2.0-latest, < 2026.2.0affected

Weaknesses

  • CWE-89: CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References