Vulnerability · Published Sep 18, 2026 · Assigned by Zscaler
CVE-2026-25684File Type Control rule bypass
Medium 4.4
In plain English
A medium-severity improper input validation in ZIA File Type Control from Zscaler. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities).
Severity (CVSS 3.1)4.4Medium
Exploit odds (30 days)0.2%top 90.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Zscaler | ZIA File Type Control | see references |
Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N