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Vulnerability record · CVE-2026-44796 · published 28 May 2026

CVE-2026-44796: Networktocode nautobot uncontrolled resource consumption vulnerability

Networktocode · Nautobot

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.

6.5 CVSS 3.1 Medium EPSS 0.56% · top 55.6% CWE-400 · Uncontrolled resource consumptionCWE-1333 · Inefficient regular expression (ReDoS)
6.5CVSS 3.1 base score
0.56%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/nautobot/nautobot/commit/5a30d0916953afbeedd24a784709e762cc3879cd Patch
https://github.com/nautobot/nautobot/commit/c2b766966d814a7141f62c7bc90c85fefb7892ee Patch
https://github.com/nautobot/nautobot/releases/tag/v2.4.33 ProductRelease Notes
https://github.com/nautobot/nautobot/releases/tag/v3.1.2 ProductRelease Notes
https://github.com/nautobot/nautobot/security/advisories/GHSA-qrpw-gjvh-x5gm PatchVendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-44796), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.