MEDIUM 6.3 NVD
CVE-2026-110652
ONLYOFFICE DocumentServer before 10.0.0 contains an unauthenticated server-side request forgery vulnerability in the /downloadfile/:docid endpoint that allows r
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.
References
- 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-downloadfil
This medium severity vulnerability with a CVSS score of 6.3 was published on 2026-10-14 via NVD.
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