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TI-2026-04359 Aliases CVE-2026-4999GHSA-m9h2-7m7g-5fg4

z-9527 admin isImg Check upload.js uploadFile path traversal

Priority MEDIUM 57CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00353 29th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
z-9527admin72aaf2dd05cf4ec2e98f390668b41e128eec5ad2—No fix listedCNA
  • admin Vendorz-9527 Affected 72aaf2dd05cf4ec2e98f390668b41e128eec5ad2 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-4999
  2. 2026-10-03 Alias added: GHSA-m9h2-7m7g-5fg4

References

Exploit 1

  • TI-2026-02764 z-9527 admin user.js getUsers sql injection CVSS 4.0MEDIUM 6.9
  • TI-2026-04586 z-9527 admin User Update Endpoint user.js dynamically-determined object attributes CVSS 4.0MEDIUM 5.3
  • TI-2026-04587 z-9527 admin Message Create Endpoint message.js cross site scripting CVSS 4.0MEDIUM 5.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences