PT-2026-6973 · Guchengwuyue · Yshopmall

Mukyuuhate · Published 2026-02-08 · Updated 2026-02-08 · CVE-2026-2146

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions guchengwuyue yshopmall versions up to 1.9.1

Description A security flaw exists in guchengwuyue yshopmall up to version 1.9.1. The issue is related to unrestricted upload, stemming from manipulation of the File argument within the updateAvatar function located in the file '/api/users/updateAvatar' of the co.yixiang.utils.FileUtil component. This allows for remote exploitation. The exploit has been publicly released. The project maintainers were notified of the issue but have not yet responded.

Recommendations Versions prior to 1.9.1 should be used. As a temporary workaround, consider restricting file upload capabilities until a patch is available.

Exploit

Fix

Unrestricted File Upload

Improper Access Control

Weakness Enumeration

CWE-434

CWE-284

Related Identifiers

CVE-2026-2146

Affected Products

Yshopmall

References · 11

• 🔥 https://github.com/guchengwuyue/yshopmall/issues/40 · Exploit
• 🔥 https://github.com/guchengwuyue/yshopmall/issues/40#issue-3860542812 · Exploit
• https://osv.dev/vulnerability/CVE-2026-2146 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-2146 · Security Note
• https://t.me/CVEtracker/44095 · Telegram Post
• https://github.com/guchengwuyue/yshopmall · Note
• https://t.me/cveNotify/151292 · Telegram Post
• https://vuldb.com/?submit.747409 · Note
• https://vuldb.com/?ctiid.344848 · Note
• https://vuldb.com/?id.344848 · Note
• https://twitter.com/CVEnew/status/2020435929307947275 · Twitter Post