# CVE-2026-91081

## Summary

- **CVE ID:** CVE-2026-91081
- **Severity:** MEDIUM
- **CVSS Score:** 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)
- **CWE:** CWE-918
- **Published:** Sep 14, 2026
- **Last Modified:** Sep 14, 2026

## Description

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.

## Affected Products

- suitenumerique — docs (0)

## References

- [CNA](https://github.com/suitenumerique/docs/issues/2545)
- [CNA](https://github.com/suitenumerique/docs)
- [CNA](https://github.com/suitenumerique/docs/blob/v5.6.1/src/backend/core/api/viewsets.py)
- [CNA](https://github.com/suitenumerique/docs/blob/v5.6.1/src/backend/core/models.py)
- [CNA](https://www.vulncheck.com/advisories/docs-through-5.6.1-ssrf-via-unauthenticated-cors-proxy-endpoint)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.25%
- **EPSS Percentile:** 16.4

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._