EUVD-2026-69726
GHSA-ghh7-j2mm-r3r8
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:P/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
Unauthenticated network-reachable endpoint with no prerequisites; conservative L impacts follow supplied CVSS 4.0 VC:L/VI:L/VA:L without confirmed RCE path from available data.
Primary rating from Vendor (VulDB).
CVSS VectorVendor: VulDB
Lifecycle Timeline
3DescriptionCVE.org
A vulnerability has been found in Casdoor up to 4.0.0. This affects an unknown function of the file controllers/resource.go of the component upload-resource API. Such manipulation leads to missing authentication. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor deleted the GitHub issue for this vulnerability without any explanation. Afterwards the vendor was contacted early about this disclosure via email but did not respond in any way.
AnalysisAI
Unauthenticated arbitrary file upload in Casdoor's /api/upload-resource endpoint (controllers/resource.go) exposes all versions through 4.0.0 to remote file-write with no authentication required. The CWE-306 flaw means any network-reachable attacker can deposit attacker-controlled content into the platform's resource storage without credentials or user interaction. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special conditions required - any attacker with HTTP or HTTPS network access to the Casdoor API port can reach the /api/upload-resource endpoint and upload arbitrary files without credentials (AV:N, PR:N, UI:N against default deployments through version 4.0.0). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector confirms fully remote, zero-prerequisite exploitation - no authentication, no special configuration, no user interaction required. … 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 identified at time of analysis - the vendor deleted the original GitHub issue and did not respond to coordinated disclosure outreach, leaving no official fix version to cite. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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