Cross-site scripting in Nautobot - #VU162769

 

Cross-site scripting in Nautobot - #VU162769

Published: November 9, 2026


Vulnerability identifier: #VU162769
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 an authenticated attacker to execute arbitrary JavaScript in another Nautobot user's session, including an administrator's.

The vulnerability exists due to unescaped custom field labels and choice values on Nautobot's Import Objects page. An authenticated attacker can inject malicious content with permission to add or change custom fields or choices, gaining the victim's data access and modification capabilities when the victim opens the page for an applicable content type.


Affected software

Nautobot

Remediation

Install security update from vendor's website.

Nautobot - addressed in versions 2.4.45, 3.2.8

External References

Related Security Bulletins