guchengwuyue yshopmall co.yixiang.utils.FileUtil updateAvatar unrestricted upload
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass, Code execution
- 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-284 and CWE-434.
Summary
A security flaw has been discovered in guchengwuyue yshopmall up to 1.9.1. This affects the function updateAvatar of the file /api/users/updateAvatar of the component co.yixiang.utils.FileUtil. Performing a manipulation of the argument File results in unrestricted upload. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- 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 |
|---|---|---|---|---|---|
| guchengwuyue | yshopmall | 1.9.0; 1.9.1 | — | No fix listed | CNA |
- yshopmall Vendorguchengwuyue Affected 1.9.0; 1.9.1 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:guchengwuyue:yshopmall:*:*:*:*:*:*:*:* | up to 1.9.1 | Vulnerable | guchengwuyue |
- cpe:2.3:a:guchengwuyue:yshopmall:*:*:*:*:*:*:*:* Versions up to 1.9.1 Vulnerable ·guchengwuyue
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-2146
- 2026-10-03 Alias added: GHSA-9xgc-j99m-jvr5
References
More guchengwuyue Yshopmall vulnerabilities
- TI-2024-34061 yshopmall V1.0 has an arbitrary file upload vulnerability, which can enable RCE or even… CVSS 3.1CRITICAL 9.8
- TI-2025-18995 yshopmall <=v1.9.0 is vulnerable to SQL Injection in the image listing interface. CVSS 3.1HIGH 7.2
- TI-2025-14135 guchengwuyue yshopmall jobs getPage sql injection CVSS 4.0MEDIUM 5.3
Sources
- CVE-2026-2146 · CVE Program
- CVE-2026-2146 · NVD
- FIRST EPSS
- GHSA-9xgc-j99m-jvr5 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences