CVE-2025-53379 Information disclosure in FortiAuthenticator
Remote unauthenticated attackers can retrieve sensitive information from FortiAuthenticator via specially crafted requests due to an out-of-bounds read.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-53379?
CVE-2025-53379 is a high-severity vulnerability in Fortinet FortiAuthenticator, published on 14 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A out-of-bounds read vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.2, FortiAuthenticator 6.5 all versions may allow a remote unauthenticated attacker to retrieve sensitive information via a specially crafted request.
Weakness: CWE-125
Which versions are affected by CVE-2025-53379?
It affects 1 product.
Products include Fortinet Fortiauthenticator.
How do I fix CVE-2025-53379?
No fix has been published for CVE-2025-53379 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-53379 being exploited?
There is no known exploitation of CVE-2025-53379 in the wild and no public exploit code.
Other vulnerabilities in Fortinet FortiAuthenticator
Sources
Also known as GHSA-xhc3-w35m-fp4q.