Medium severity · published Sep 14, 2026
CVE-2026-91081
Docs through 5.6.1 SSRF via Unauthenticated cors-proxy Endpoint
5.8
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 43% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DO
docs · suitenumerique
through 5.6.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-91081
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-91081
github.com
https://github.com/suitenumerique/docs
github.com
https://github.com/suitenumerique/docs/blob/v5.6.1/src/backend/core/api/viewsets.py
github.com
https://github.com/suitenumerique/docs/blob/v5.6.1/src/backend/core/models.py
github.com
https://github.com/suitenumerique/docs/issues/2545
www.vulncheck.com
https://www.vulncheck.com/advisories/docs-through-5.6.1-ssrf-via-unauthenticated-cors-proxy-endpoint
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