CVE-2026-44796

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.

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CVSS v3.1 Score

6.5

MEDIUM

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

EPSS — Exploit Prediction

0.0031

Probability of exploitation

0.23%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-400 Uncontrolled Resource Consumption

CWE-1333 CWE-1333

Affected Products

Vendor	Product	Versions
networktocode	nautobot	< 2.4.33
networktocode	nautobot	3.0.0 — 3.1.2

References

Advisories & Patches

https://github.com/nautobot/nautobot/commit/5a30d0916953afbeedd24a784709e762cc3879cd https://github.com/nautobot/nautobot/commit/c2b766966d814a7141f62c7bc90c85fefb7892ee https://github.com/nautobot/nautobot/security/advisories/GHSA-qrpw-gjvh-x5gm

Other References

https://github.com/nautobot/nautobot/releases/tag/v2.4.33 https://github.com/nautobot/nautobot/releases/tag/v3.1.2

Frequently Asked Questions

What is CVE-2026-44796? +

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. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2026-44796? +

CVE-2026-44796 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0031, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-44796? +

CVE-2026-44796 affects products from networktocode, specifically: nautobot. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-44796? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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