CVE-2026-46413Discourse is an open-source discussion platform.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 6.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- Weakness (CWE)
- CWE-862
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jul 14, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
discourse discourse discourse:discourse | from 2026.1.0 before 2026.1.5; from 2026.4.0 before 2026.4.2; from 2026.5.0 before 2026.5.1; 2026.6.0 | NVD |
References
- https://github.com/discourse/discourse/commit/1f1ded8dd361d81786bff17b35e1138d6ee299c0patch
- https://github.com/discourse/discourse/commit/7ddde266617b452152c1bf5f903f6c07be38fc40patch
- https://github.com/discourse/discourse/commit/a53df26dcf7e50ce2b20bfd5454a0c9d44b8fc7dpatch
- https://github.com/discourse/discourse/commit/abaa664c5df84026efb2ca264ba0f5586c3f2b01patch
- https://github.com/discourse/discourse/releases/tag/v2026.1.5release-notes
- https://github.com/discourse/discourse/releases/tag/v2026.4.2release-notes
- https://github.com/discourse/discourse/releases/tag/v2026.5.1release-notes
- https://github.com/discourse/discourse/releases/tag/v2026.6.0release-notes
- https://github.com/discourse/discourse/security/advisories/GHSA-3mvf-q9rg-w6m7vendor-advisory, mitigation
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.