01 Record
CVE-2026-46413
Discourse: Regular users can route multipart uploads into the admin backup store
MediumPUBLISHEDCNA: GitHub_M
CNA base score6.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
02 Description
Discourse: Regular users can route multipart uploads into the admin backup store
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.51% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 43.4% of scored records. A rank, not a probability.
- NVD base score
- 6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-07-14.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-07-09 21:55Z3 MO AGO
- Last updated
- 2026-07-10 14:32Z3 MO AGO
- Reserved
- 2026-05-13
- Assigning CNA
- GitHub_M
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.5)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- Weaknesses
- CWE-862Missing AuthorizationClass
- Data version
- 5.2
- Document digest
- fd4bb3e15d3f68a33c583af7a96f432cae7e95e7229d5027797a30c87d58dfdd
05 Affected products
VendorProductVersionsPlatforms
discoursediscourse>= 2026.1.0-latest, < 2026.1.5, >= 2026.4.0-latest, < 2026.4.2, >= 2026.5.0-latest, < 2026.5.1—
06 References
- github.comhttps://github.com/discourse/discourse/security/advisories/GHSA-3mvf-q9rg-w6m7
- github.comhttps://github.com/discourse/discourse/commit/1f1ded8dd361d81786bff17b35e1138d6ee299c0
- github.comhttps://github.com/discourse/discourse/commit/7ddde266617b452152c1bf5f903f6c07be38fc40
- github.comhttps://github.com/discourse/discourse/commit/a53df26dcf7e50ce2b20bfd5454a0c9d44b8fc7d
- github.comhttps://github.com/discourse/discourse/commit/abaa664c5df84026efb2ca264ba0f5586c3f2b01
- github.comhttps://github.com/discourse/discourse/releases/tag/v2026.1.5
- github.comhttps://github.com/discourse/discourse/releases/tag/v2026.4.2
- github.comhttps://github.com/discourse/discourse/releases/tag/v2026.5.1
- github.comhttps://github.com/discourse/discourse/releases/tag/v2026.6.0