CVE-2026-91081 json
Docs through 5.6.1 SSRF via Unauthenticated cors-proxy Endpoint
published 2026-09-14 55 d ago modified 2026-09-24 45 d ago also EUVD-2026-77716
- cvss
- 5.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 43%
- public exploits
- 0
- none known
Summary
Docs through 5.6.1 contains a server-side request forgery vulnerability in the cors-proxy endpoint that allows anonymous attackers to make outbound requests by providing a public document UUID. Attackers can exploit DNS time-of-check-time-of-use race conditions and shared address space bypasses to access internal network resources and exfiltrate image content.
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 50 d ago
Exploit prediction
0.51% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 6.9 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N |
| CNA | 3.1 | 5.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N |
| CNA | 4.0 | 6.9 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected products
- suitenumerique docs
Classification
- Weakness
-
- CWE-918 Server-Side Request Forgery
References
-
github.com
/suitenumerique/docs/issues/2545
issue-tracking
-
github.com
/suitenumerique/docs
product
-
github.com
/suitenumerique/docs/blob/v5.6.1/src/backend/core/api/viewsets.py
technical-description
-
github.com
/suitenumerique/docs/blob/v5.6.1/src/backend/core/models.py
technical-description
-
vulncheck.com
/advisories/docs-through-5.6.1-ssrf-via-unauthenticated-cors-proxy-endpoint
third-party-advisory
Sources
- CVE List CVE-2026-91081
- NVD CVE-2026-91081
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.