CVE-2026-20094 Cisco Integrated Management Controller Command Injection Vulnerability

High 8.8 Published 1 Apr 2026 Updated 22 Apr 2026

Authenticated attackers with read-only access can execute arbitrary root commands via the Cisco IMC web interface due to improper input validation.

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-2026-20094?

CVE-2026-20094 is a high-severity command injection vulnerability in Cisco Unified Computing System, published on 1 Apr 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 IMC could allow an authenticated, remote attacker with read-only privileges to perform command injection attacks on an affected system and execute arbitrary commands as the root user. This vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by sending crafted commands to the web-based management interface of the affected software. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system as the root user.

Weakness: CWE-77

Which versions are affected by CVE-2026-20094?

It affects 2 products.

Products include Cisco Unified Computing System, Cisco Unified Computing System E-Series Software.

How do I fix CVE-2026-20094?

No fix has been published for CVE-2026-20094 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-20094 being exploited?

There is no known exploitation of CVE-2026-20094 in the wild and no public exploit code.

All Cisco Unified Computing System vulnerabilities

Sources

Also known as GHSA-757r-g2xf-hjww.