Veille CVE
CVE-2026-55420
8.1 ÉlevéeDescription
Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, under certain non-default configurations, processing of PDF uploads could be exploited to obtain RCE on the server. This issue is patched in 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5.
Produits concernés
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 3.1 | 7.5 Élevée | security-advisories@github.com | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | 8.1 Élevée | nvd@nist.gov (NVD) | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
Faiblesses (CWE)
Références
- https://github.com/discourse/discourse/commit/ca5a7e06167561928556afa2f237d67e459c6914 Patch
- https://github.com/discourse/discourse/releases/tag/v2026.1.5 Release Notes
- https://github.com/discourse/discourse/releases/tag/v2026.4.2 Release Notes
- https://github.com/discourse/discourse/releases/tag/v2026.5.1 Release Notes
- https://github.com/discourse/discourse/releases/tag/v2026.6.0 Release Notes
- https://github.com/discourse/discourse/security/advisories/GHSA-7wq5-jgww-5rw3 MitigationVendor Advisory