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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.

PUBLISHED Reserved 2026-02-07 | Published 2026-02-08 | Updated 2026-02-23 | Assigner VulDB




MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Unrestricted Upload

Improper Access Controls

Product status

1.9.0
affected

1.9.1
affected

Timeline

2026-02-07:Advisory disclosed
2026-02-07:VulDB entry created
2026-02-18:VulDB entry last update

Credits

mukyuuhate (VulDB User) reporter

References

vuldb.com/?id.344848 (VDB-344848 | guchengwuyue yshopmall co.yixiang.utils.FileUtil updateAvatar unrestricted upload) vdb-entry technical-description

vuldb.com/?ctiid.344848 (VDB-344848 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.747409 (Submit #747409 | https://github.com/guchengwuyue/yshopmall yshopmall V1.9.1 Incomplete Identification of Uploaded File Variables) third-party-advisory

github.com/guchengwuyue/yshopmall/issues/40 issue-tracking

github.com/guchengwuyue/yshopmall/issues/40 exploit issue-tracking

github.com/guchengwuyue/yshopmall/ product

cve.org (CVE-2026-2146)

nvd.nist.gov (CVE-2026-2146)

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