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CVE-2026-44796
Published:May 28, 2026
Updated:June 13, 2026
Nautobot is a Network Source of Truth and Network Automation Platform. Prior to 2.4.33 and 3.1.2, Nautobot UI object-bulk-rename endpoints (for example, /dcim/interfaces/rename/) were vulnerable to application-wide denial of service via maliciously crafted regular expressions in the find field in combination with the use_regex flag. This vulnerability is fixed in 2.4.33 and 3.1.2.
Affected Packages
https://github.com/nautobot/nautobot.git (GITHUB):
Affected version(s) >=v1.0.0a1 <v2.4.33
Fix Suggestion:
Update to version v2.4.33
https://github.com/nautobot/nautobot.git (GITHUB):
Affected version(s) >=v3.0.0 <v3.1.2
Fix Suggestion:
Update to version v3.1.2
nautobot (PYTHON):
Affected version(s) >=3.0.0 <3.1.2
Fix Suggestion:
Update to version 3.1.2
nautobot (PYTHON):
Affected version(s) >=0.0.0 <2.4.33
Fix Suggestion:
Update to version 2.4.33
nautobot (PYTHON):
Affected version(s) >=3.0.0a2 <3.1.2
Fix Suggestion:
Update to version 3.1.2
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CVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Inefficient Regular Expression Complexity
Uncontrolled Resource Consumption
EPSS
Base Score:
0.05