CVE-2026-25684

MEDIUM 4.4

File Type Control rule bypass

CVSS Score

4.4

EPSS Score

0.0%

EPSS Percentile

0th

A file type attribution issue in Zscaler Internet Access File Type Control evaluation rules may allow improper evaluation of File Type Control policies in rare circumstances.

CWE	CWE-20
Vendor	zscaler
Product	zia file type control
Published	Sep 18, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

Zscaler / ZIA File Type Control

All versions affected

References

NVD ↗ CVE.org ↗ EPSS Data ↗

help.zscaler.com: https://help.zscaler.com/zia/release-upgrade-summary-2026

Credits

Nate Subra and Nathan Fowler