Unauthenticated DoS by Sending Large Filename at File Upload Endpoint in netease-youdao/qanything
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · CNA. Fix status from CNA. Impact type from CWE-400.
Summary
A Denial of Service (DoS) vulnerability was discovered in the file upload feature of netease-youdao/qanything version v2.0.0. The vulnerability is due to improper handling of form-data with a large filename in the file upload request. An attacker can exploit this vulnerability by sending a large filename, causing the server to become overwhelmed and unavailable for legitimate users. This attack does not require authentication, making it highly scalable and increasing the risk of exploitation.
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 |
|---|---|---|---|---|---|
| netease-youdao | netease-youdao/qanything | up to latest | — | No fix listed | CNA |
- netease-youdao/qanything Vendornetease-youdao Affected up to latest Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:youdao:qanything:2.0.0:*:*:*:*:*:*:* | 2.0.0 | Vulnerable | netease-youdao |
- cpe:2.3:a:youdao:qanything:2.0.0:*:*:*:*:*:*:* Versions 2.0.0 Vulnerable ·netease-youdao
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-12864
- 2026-10-03 Alias added: GHSA-w3m9-crxx-972f
References
More netease-youdao Qanything vulnerabilities
- TI-2024-09510 HTTP Request Smuggling in netease-youdao/qanything CVSS 3.1CRITICAL 9.8
- TI-2024-11923 Local File Inclusion in netease-youdao/qanything CVSS 3.1HIGH 7.5
- TI-2024-07438 CORS Misconfiguration in netease-youdao/qanything CVSS 3.0HIGH 7.5
- TI-2024-07441 Stored Cross-Site Scripting (XSS) in netease-youdao/QAnything CVSS 3.0MEDIUM 6.1
Sources
- CVE-2024-12864 · CVE Program
- CVE-2024-12864 · NVD
- FIRST EPSS
- GHSA-w3m9-crxx-972f · GitHub Advisory Database · CC BY 4.0
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