CVE-2026-110652

ONLYOFFICE DocumentServer before 10.0.0 contains an unauthenticated server-side request forgery vulnerability in the /downloadfile/:docid endpoint that allows remote attackers to bypass the private-IP request-filtering-agent by exploiting the isInJwtToken flag when JWT verification is disabled in the default configuration. Attackers can submit a crafted request body containing an internal or loopback URL, which is treated as a DIRECT request skipping private-address filtering, causing the server to fetch and proxy back arbitrary private-network and cloud metadata content.

CVSS v3 4.0 MEDIUM

4.0^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/ONLYOFFICE/DocumentServer/blob/master/CHANGELOG.md#1000
https://github.com/ONLYOFFICE/DocumentServer/releases/tag/v10.0.0
https://www.vulncheck.com/advisories/onlyoffice-documentserver-before-ssrf-via-downloadfile-isinjwttoken-bypass

Configurations

No configuration.

History

14 Oct 2026, 14:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-14 14:17

Updated : 2026-10-16 19:15

NVD link : CVE-2026-110652

Mitre link : CVE-2026-110652

CVE.ORG link : CVE-2026-110652

JSON object : View

Products Affected

No product.

CWE

CWE-918

Server-Side Request Forgery (SSRF)

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