EUVD-2026-83177
GHSA-x49x-q2gc-3px4
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/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
Remote unauthenticated access to under-protected FastAPI endpoints (AV:N/AC:L/PR:N/UI:N); impact kept low across C/I/A consistent with the vendor's VC:L/VI:L/VA:L and no scope change.
Primary rating from Vendor (VulDB).
CVSS VectorVendor: VulDB
Lifecycle Timeline
4DescriptionCVE.org
A vulnerability was identified in Forget-C Jellyfish AI Short Drama Studio 0.1.0-alpha/0.2.0/0.3.0/0.3.1/0.3.2. This affects an unknown function of the file backend/app/dependencies.py of the component FastAPI. The manipulation leads to missing authentication. It is possible to initiate the attack remotely. The reported GitHub issue was closed automatically due to inactivity.
AnalysisAI
Missing authentication in the FastAPI backend of Forget-C Jellyfish AI Short Drama Studio (versions 0.1.0-alpha, 0.2.0, 0.3.0, 0.3.1 and 0.3.2) lets unauthenticated remote attackers reach API endpoints that should require credentials, because the dependency logic in backend/app/dependencies.py does not enforce an authentication check. The CVSS 4.0 base score is 6.9, and the vector (AV:N/AC:L/AT:N/PR:N/UI:N, LOW confidentiality/integrity/availability) indicates no credentials, no user interaction and no special conditions are needed; no public exploit code is identified at time of analysis and there is no confirmed actively exploited (CISA KEV) status. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a reachable instance of the Forget-C Jellyfish AI Short Drama Studio backend (versions 0.1.0-alpha through 0.3.2) exposed over the network, where the FastAPI dependency logic in backend/app/dependencies.py fails to enforce authentication on endpoints that should require it. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Signals are weak and mostly point to low real-world priority despite a moderate CVSS 4.0 base of 6.9. … 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 tagged fixed version was identified in the available references; the only upstream artifact, GitHub issue https://github.com/Forget-C/Jellyfish/issues/37, was closed automatically due to inactivity and does not document a fix, and the VulDB records (https://vuldb.com/vuln/407460, https://vuldb.com/cve/CVE-2026-93559) provide no fix version either. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same technique Authentication Bypass
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External POC / Exploit Code
Leaving vuln.today