SSRF in Modelscope Ms-Swift
CVE-2026-85686
ms-swift 4.5.2 contains a server-side request forgery vulnerability in the swift deploy OpenAI-compatible API that fetches multimodal media URLs without validation or redirect filtering. Unauthenticated attackers can supply arbitrary image_url, audio_url, or video_url parameters to make the server issue requests to internal services and cloud metadata endpoints.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.005 (40.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 40.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002
Affected products
Weakness classification (CWE)
References
- github.com/modelscope/ms-swift (product)
- github.com/modelscope/ms-swift/blob/v4.5.2/swift/template/vision_utils.py (technical-description)
- github.com/modelscope/ms-swift/issues/9740 (issue-tracking)
- www.vulncheck.com/advisories/ms-swift-4.5.2-unauthenticated-ssrf-via-multimodal… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-85686?
- CVE-2026-85686 is a high-severity vulnerability in Modelscope Ms-Swift, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.5/10. Published 2026-09-04.
- How severe is CVE-2026-85686?
- High severity. CVSS v3 base score is 7.5 out of 10.