CVE-2026-4999: A security vulnerability has been detected in z-9527 admin up to 72aaf2dd05cf4ec2e98f390668b41e128eec5ad2. This issue affects the function uploadFile ...

Description

A security vulnerability has been detected in z-9527 admin up to 72aaf2dd05cf4ec2e98f390668b41e128eec5ad2. This issue affects the function uploadFile of the file /server/utils/upload.js of the component isImg Check. The manipulation of the argument fileType leads to path traversal. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. This product follows a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided. The vendor was contacted early about this disclosure but did not respond in any way.

Metrics

CVSS 3.1

6.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS 4.0

2.1/10

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.35%

26.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

References

Timeline

Published: Mar 28, 2026
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2026-4999?

A security vulnerability has been detected in z-9527 admin up to 72aaf2dd05cf4ec2e98f390668b41e128eec5ad2. This issue affects the function uploadFile of the file /server/utils/upload.js of the component isImg Check. The manipulation of the argument fileType leads to path traversal. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. This product follows a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided. The vendor was contacted early about this disclosure but did not respond in any way.

How severe is CVE-2026-4999?

CVE-2026-4999 has a CVSS score of 2.1/10 (LOW severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.

How do I fix CVE-2026-4999?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.