SSRF in Dragonflyoss Dragonfly
CVE-2025-59346
Dragonfly is an open source P2P-based file distribution and image acceleration system. Versions prior to 2.1.0 contain a server-side request forgery (SSRF) vulnerability that enables users to force DragonFly2’s components to make requests to internal services that are otherwise not accessible to them. The issue arises because the Manager API accepts a user-supplied URL when creating a Preheat job with weak validation, peers can trigger other peers to fetch an arbitrary URL through pieceManager.DownloadSource, and internal HTTP clients follow redirects, allowing a request to a malicious server to be redirected to internal services. This can be used to probe or access internal HTTP endpoints. The vulnerability is fixed in version 2.1.0.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.002 (16.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 16.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Dragonflyoss Dragonfly — versions < 2.1.0
- Linuxfoundation Dragonfly
Weakness classification (CWE)
References
- github.com/dragonflyoss/dragonfly/security/advisories/GHSA-g2rq-jv54-wcpr (Patch, Third Party Advisory)
- github.com/dragonflyoss/dragonfly/blob/main/docs/security/dragonfly-comprehensi… (Product)
Frequently asked questions
- What is CVE-2025-59346?
- CVE-2025-59346 is a medium-severity vulnerability in Dragonflyoss Dragonfly, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.3/10. Published 2025-09-17.
- How severe is CVE-2025-59346?
- Medium severity. CVSS v3 base score is 5.3 out of 10.