Exposure of Sensitive System Information to an Unauthorized Control Sphere in Nautobot - #VU139397
Published: July 27, 2026
Vulnerability identifier: #VU139397
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-497
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to exposure of sensitive system information in the Jinja2 template rendering context and the settings_or_config template filter when rendering user-supplied templates. A remote user can supply a crafted template to disclose sensitive information.
The issue can be reached through the settings_or_config template filter and through the settings context processor that exposes the full settings object to request-bound templates and plugin template extensions.
Affected software
Nautobot
Remediation
Install security update from vendor's website.
Nautobot - addressed in versions 2.4.38, 3.2.0