Casdoor upload-resource API resource.go missing authentication
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-287.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Casdoor | 4.0 | — | No fix listed | CNA |
- Casdoor Vendor— Affected 4.0 Fixed in — No fix listed CNA
CPE names CNA · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:casdoor:casdoor:*:*:*:*:*:*:*:* | — | — | — |
- cpe:2.3:a:casdoor:casdoor:*:*:*:*:*:*:*:* Versions — — ·—
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-84423
- 2026-10-03 Alias added: GHSA-ghh7-j2mm-r3r8
References
Sources
- CVE-2026-84423 · CVE Program
- CVE-2026-84423 · NVD
- FIRST EPSS
- GHSA-ghh7-j2mm-r3r8 · GitHub Advisory Database · CC BY 4.0
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