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Medium severity5.3NVD Advisory· Published Apr 3, 2026· Updated Apr 22, 2026

CVE-2026-27481

CVE-2026-27481

Description

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.3, 2026.2.0-latest to before 2026.2.2, and 2026.3.0-latest to before 2026.3.0, an authorization bypass vulnerability allows unauthenticated or unauthorized users to view hidden (staff-only) tags and its associated data. All Discourse instances with tagging enabled and staff-only tag groups configured are impacted. This issue has been patched in versions 2026.1.3, 2026.2.2, and 2026.3.0.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

4
  • Discourse (software)/Discourse3 versions
    cpe:2.3:a:discourse:discourse:2026.3.0:*:*:*:latest:*:*:*+ 2 more
    • cpe:2.3:a:discourse:discourse:2026.3.0:*:*:*:latest:*:*:*
    • cpe:2.3:a:discourse:discourse:*:*:*:*:latest:*:*:*range: >=2026.1.0,<=2026.1.2
    • (no CPE)range: <2026.1.3, <2026.2.2, <2026.3.0
  • osv-coords
    pkg:bitnami/discourse
    Range: >= 2026.1.0, < 2026.1.3

Patches

Vulnerability mechanics

References

1

News mentions

0

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