CVE-2026-76435 Cisco Expressway Series Information Disclosure Vulnerability
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-76435?
CVE-2026-76435 is a medium-severity vulnerability in Cisco TelePresence Video Communication Server (VCS) Expressway, published on 21 Oct 2026.
Official description
A vulnerability in Cisco Expressway Series could allow an unauthenticated, remote attacker to obtain sensitive information from an affected device. This vulnerability is due to insufficient authorization checks of HTTP requests during Mobile and Remote Access (MRA) provisioning. An attacker could exploit this vulnerability by submitting a crafted URL request to an affected device. A successful exploit could allow the attacker to access sensitive information that they would otherwise not have authorization to access. Note: Cisco Expressway Series refers to Cisco Expressway Core (Expressway-C) devices and Cisco Expressway Edge (Expressway-E) devices.
Weakness: CWE-497
Which versions are affected by CVE-2026-76435?
How do I fix CVE-2026-76435?
No fix has been published for CVE-2026-76435 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-76435 being exploited?
There is no known exploitation of CVE-2026-76435 in the wild and no public exploit code.
Sources
Also known as GHSA-667p-34p2-c6m9.