CVE-2026-76438 Cisco BroadWorks CommPilot Application Software Authorization Bypass Vulnerability
An authenticated low-privilege attacker can alter configurations on select pages due to missing authorization checks in the web interface.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-76438?
CVE-2026-76438 is a medium-severity missing authorization vulnerability in Cisco BroadWorks, published on 16 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability in the web-based management interface of Cisco BroadWorks CommPilot Application Software could allow an authenticated, remote attacker with low privileges to alter configurations on an affected device. This vulnerability is due to missing authorization checks. An attacker could exploit this vulnerability by sending a crafted HTTP request. A successful exploit could allow the attacker to alter configurations on select pages.
Weakness: CWE-863
Which versions are affected by CVE-2026-76438?
How do I fix CVE-2026-76438?
No fix has been published for CVE-2026-76438 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-76438 being exploited?
There is no known exploitation of CVE-2026-76438 in the wild and no public exploit code.
Sources
Also known as GHSA-mw9j-8jg3-ch52.