CVE-2026-16451CWE-284CWE-434

zsadmin2025 ZS-Admin com.zs.file.controller.SysFileController upload unrestricted upload

Medium · published July 21, 2026

CVSS v4.0
5.3
EPSS
0%
Percentile
27.1
In the wild
Unconfirmed
What it is

A security flaw has been discovered in zsadmin2025 ZS-Admin up to b52e14536d59fda11e56e2536a1c32e82a38cead. This impacts an unknown function of the file /api/system/file/upload of the component com.zs.file.controller.SysFileController. Performing a manipulation of the argument File results in unrestricted upload. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. The project was informed of the problem early through an issue report but has not responded yet.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
CVSS: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
EPSS
0.00347 · 27.1th percentile
Weaknesses
CWE-284 · Improper Access Control; CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2026-07-21T16:45Z
EPSS history
Timeline
  • 21 JUL 16:45Z
    zsadmin2025 ZS-Admin com.zs.file.controller.SysFileController upload unrestricted upload
    cvelistv5