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Medium severity6.5NVD Advisory· Published Feb 26, 2026· Updated Jun 17, 2026

CVE-2026-27149

CVE-2026-27149

Description

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 products

5
  • Discourse (software)/Discourse4 versions
    cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*+ 3 more
    • cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*range: <2025.12.2
    • cpe:2.3:a:discourse:discourse:2026.2.0:*:*:*:latest:*:*:*
    • (no CPE)range: <2025.12.2, <2026.1.1, <2026.2.0
    • (no CPE)range: < 2025.12.2
  • osv-coords
    pkg:bitnami/discourse
    Range: < 2025.12.2

Patches

Vulnerability mechanics

References

1

News mentions

0

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