CVE-2026-76433 Cisco Identity Services Engine Information Disclosure Vulnerability

Medium 5.3 Published 16 Sep 2026 Updated 17 Sep 2026

Unauthenticated remote attackers can access protected files via path traversal in Cisco ISE provisioning downloads, exposing sensitive information.

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-2026-76433?

CVE-2026-76433 is a medium-severity path traversal vulnerability in Cisco Identity Services Engine, published on 16 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability in the client provisioning download feature of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to access protected files on an affected device. This vulnerability is due to insufficient validation of directory traversal character sequences in a user-supplied path when the software processes provisioning resource requests. An attacker could exploit this vulnerability by sending a crafted request to the provisioning download service. A successful exploit could allow the attacker to access protected files without authentication, potentially exposing sensitive information.

Weakness: CWE-22

Which versions are affected by CVE-2026-76433?

It affects 2 products.

Products include Cisco Identity Services Engine, Cisco Identity Services Engine Passive Identity Connector.

How do I fix CVE-2026-76433?

No fix has been published for CVE-2026-76433 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-76433 being exploited?

There is no known exploitation of CVE-2026-76433 in the wild and no public exploit code.

All Cisco Identity Services Engine vulnerabilities

Sources

Also known as GHSA-57hw-773v-68wr.