Cross-site scripting in Nautobot - #VU162770

 

Cross-site scripting in Nautobot - #VU162770

Published: November 9, 2026


Vulnerability identifier: #VU162770
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: N/A
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a low-privileged remote attacker to execute stored scripts in another user's authenticated Nautobot session.

The vulnerability exists due to unsafe rendering of Required Validation Rule custom error messages when users submit create or edit forms with a targeted field empty. A low-privileged remote attacker can use permission to add or change these rules to store malicious messages that execute with the victim's permissions, potentially including administrator privileges.


Affected software

Nautobot

Remediation

Install security update from vendor's website.

Nautobot - update to 3.2.8

External References

Related Security Bulletins