CVE-2026-44796CWE-1333CWE-400denial-of-service

CVE-2026-44796

Medium · published May 28, 2026

CVSS v3.1
6.5
EPSS
1%
Percentile
45.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00560 · 45.9th percentile
Weaknesses
CWE-1333 · Inefficient Regular Expression Complexity; CWE-400 · Uncontrolled Resource Consumption
Published
2026-05-28T22:16Z
Affected products (2)
ProductVersionsFixed in
networktocode/nautobot< 2.4.332.4.33
networktocode/nautobot≥ 3.0.0, < 3.1.23.1.2
References (5)
https://github.com/nautobot/nautobot/commit/5a30d0916953afbeedd24a784709e762cc3879cd · [email protected]https://github.com/nautobot/nautobot/commit/c2b766966d814a7141f62c7bc90c85fefb7892ee · [email protected]https://github.com/nautobot/nautobot/releases/tag/v2.4.33 · [email protected]https://github.com/nautobot/nautobot/releases/tag/v3.1.2 · [email protected]https://github.com/nautobot/nautobot/security/advisories/GHSA-qrpw-gjvh-x5gm · [email protected]
EPSS history
Timeline
  • 28 MAY 17:00Z
    Nautobot: Object bulk rename UI actions vulnerable to denial of service by crafted regular expression (REDoS)
    cvelistv5