CVE-2026-33424
5.9
CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L
Summary
Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, an attacker can grant access to a private message topic through invites even after they lose access to that PM. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| discourse | discourse | >= 2026.1.0-latest, < 2026.1.2 | affected |
| discourse | discourse | >= 2026.2.0-latest, < 2026.2.1 | affected |
| discourse | discourse | = 2026.3.0-latest | affected |
Weaknesses
- CWE-863: CWE-863: Incorrect Authorization
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
References
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