CVE-2026-25684 File Type Control rule bypass
Attackers can bypass File Type Control policies in Zscaler Internet Access due to improper file type attribution evaluation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-25684?
CVE-2026-25684 is a medium-severity vulnerability in Zscaler ZIA File Type Control, published on 18 Sep 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
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.
Weakness: CWE-20
Which versions are affected by CVE-2026-25684?
How do I fix CVE-2026-25684?
No fix has been published for CVE-2026-25684 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-25684 being exploited?
There is no known exploitation of CVE-2026-25684 in the wild and no public exploit code.
Sources
Also known as GHSA-4j5q-5jhc-9378.