Docs through 5.6.1 SSRF via Unauthenticated cors-proxy Endpoint
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-918 and the CVSS impact.
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| suitenumerique | docs | up to 5.6.1 | — | No fix listed | CNA |
- docs Vendorsuitenumerique Affected up to 5.6.1 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-91081
- 2026-10-03 Alias added: GHSA-53qf-qv6v-5586
References
More suitenumerique vulnerabilities
- TI-2026-62539 Docs before 5.4.1 Stale Collaboration Session After Access Revocation CVSS 4.0HIGH 7.6
- TI-2026-30507 People: Privilege Escalation via Missing Role Ceiling in Mail Domain Invitation CVSS 3.1MEDIUM 5.5
- TI-2026-03229 suitenumerique messages ThreadAccess serializers.py ThreadAccessSerializer improper authentication CVSS 4.0MEDIUM 5.3
- TI-2026-53731 LaSuite Doc: Public Documents Enumeration CVSS 3.1MEDIUM 6.5
- TI-2026-74953 Authorization bypass in La Suite Docs lets users comment on other threads CVSS 4.0LOW 2.3
Sources
- CVE-2026-91081 · CVE Program
- CVE-2026-91081 · NVD
- FIRST EPSS
- GHSA-53qf-qv6v-5586 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences