What’s Vulnerable › Vulnerabilities

CVE-2026-2146: guchengwuyue yshopmall co.yixiang.utils.FileUtil updateAvatar unrestricted upload

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-02-08 · updated 2026-06-17
• Weakness: CWE-284

Description

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.

Affected products

• guchengwuyue yshopmall: through 1.9.1

References

• https://github.com/guchengwuyue/yshopmall/
• https://github.com/guchengwuyue/yshopmall/issues/40
• https://github.com/guchengwuyue/yshopmall/issues/40#issue-3860542812
• https://vuldb.com/?ctiid.344848
• https://vuldb.com/?id.344848
• https://vuldb.com/?submit.747409

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