EUVD-2026-71135
GHSA-hrmr-fv6h-885h
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Network-accessible unauthenticated API; scope changes because SSRF causes the server to fetch from other systems; confidentiality-only impact matches a read-path SSRF.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
2DescriptionCVE.org
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.
AnalysisAI
Server-side request forgery in ms-swift 4.5.2 allows unauthenticated remote attackers to weaponize the server's multimodal media fetching logic against internal infrastructure. The OpenAI-compatible deploy API accepts image_url, audio_url, and video_url parameters that are passed to vision_utils.py without URL validation or redirect filtering, enabling arbitrary outbound requests to cloud metadata services (e.g., AWS IMDSv1 at 169.254.169.254), internal APIs, and network-adjacent services. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The ms-swift deploy API must be running and network-accessible to the attacker - this is explicitly the intended use case of the deploy subcommand, which starts the OpenAI-compatible inference server. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 score of 8.7 (AV:N/AC:L/AT:N/PR:N/UI:N/VC:H) accurately reflects the threat model: any unauthenticated attacker who can reach the deploy API endpoint can immediately begin probing internal infrastructure. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patch or fixed version has been identified at time of analysis; the upstream GitHub issue #9740 should be monitored for resolution. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Identify all ms-swift instances running version 4.5.2 and inventory which are internet-accessible; implement immediate network-level egress filtering to block outbound connections to 169.254.169.254 and internal IP ranges (RFC 1918). …
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Same weakness CWE-918 – Server-Side Request Forgery (SSRF)
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External POC / Exploit Code
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