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Medium severity6.5NVD Advisory· Published Mar 21, 2026· Updated Jun 17, 2026

CVE-2026-33428

CVE-2026-33428

Description

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, a non-staff user with elevated group membership could access deleted posts belonging to any user due to an overly broad authorization check on the deleted posts index endpoint. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.

AI Insight

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

Affected products

5
  • Discourse (software)/Discourse4 versions
    cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*+ 3 more
    • cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*range: >=2026.1.0,<2026.1.2
    • cpe:2.3:a:discourse:discourse:2026.3.0:*:*:*:latest:*:*:*
    • (no CPE)range: <2026.3.0-latest.1, <2026.2.1, <2026.1.2
    • (no CPE)range: = 2026.3.0-latest
  • osv-coords
    pkg:bitnami/discourse
    Range: >= 2026.1.0, < 2026.1.2

Patches

Vulnerability mechanics

References

1

News mentions

0

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