CVEvulnerability
CVE-2026-46413
6.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-07-09
- Last modified
- 2026-07-14
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- Weaknesses
- CWE-862
Description
Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, regular users could route direct S3 multipart uploads through ExternalUploadManager into the admin backup store. This issue is fixed in versions 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5.
Affected configurations
• discourse discourse (>= 2026.1.0 < 2026.1.5)
• discourse discourse (>= 2026.4.0 < 2026.4.2)
• discourse discourse (>= 2026.5.0 < 2026.5.1)
• discourse discourse 2026.6.0
Related
Weakness · CWE (1)
- CWE-862 Missing Authorization weakness
References
- https://github.com/discourse/discourse/commit/1f1ded8dd361d81786bff17b35e1138d6ee299c0 Patch
- https://github.com/discourse/discourse/commit/7ddde266617b452152c1bf5f903f6c07be38fc40 Patch
- https://github.com/discourse/discourse/commit/a53df26dcf7e50ce2b20bfd5454a0c9d44b8fc7d Patch
- https://github.com/discourse/discourse/commit/abaa664c5df84026efb2ca264ba0f5586c3f2b01 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-3mvf-q9rg-w6m7 Vendor Advisory, Mitigation