CVE-2026-46413
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 products
- Discourse
- Discourse
- < 2026.1.5, 2026.4.2, 2026.5.1, 2026.6.0
- Fix
- Available
- CVSS 3.1
- 6.5 MEDIUM
- EPSS
- 0.4% (29th percentile)
- Weakness
- CWE-862
- NVD status
- Analyzed
- Published
- 2026-07-09
CVE-2026-46413 at NVD
No indexed exploits for CVE-2026-46413 yet
Our index is partial: it proves presence, never absence
No exploit for CVE-2026-46413 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.