PT-2026-40718 · Nautobot · Nautobot

Whatisproblem · Published 2026-05-13 · Updated 2026-05-28 · CVE-2026-44796

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Nautobot versions prior to 2.4.33 Nautobot versions prior to 3.1.2

Description UI object-bulk-rename endpoints, such as "/dcim/interfaces/rename/", are susceptible to an application-wide denial of service. This occurs when maliciously crafted regular expressions are provided in the find field while the use regex flag is active, causing the system to execute the evaluation for an indefinite duration.

Recommendations Update to version 2.4.33. Update to version 3.1.2.

Exploit

Fix

DoS

Resource Exhaustion

Weakness Enumeration

CWE-1333

CWE-400

Related Identifiers

CVE-2026-44796

GHSA-QRPW-GJVH-X5GM

PYSEC-2026-2226

Affected Products

Nautobot

References · 14

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44796.json · Exploit
• https://github.com/nautobot/nautobot/commit/c2b766966d814a7141f62c7bc90c85fefb7892ee · Patch
• https://github.com/nautobot/nautobot/commit/5a30d0916953afbeedd24a784709e762cc3879cd · Patch
• https://github.com/nautobot/nautobot/security/advisories/GHSA-qrpw-gjvh-x5gm · Vendor Advisory
• https://osv.dev/vulnerability/PYSEC-2026-2226 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-44796 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-qrpw-gjvh-x5gm · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-44796 · Security Note
• https://github.com/nautobot/nautobot · Note
• https://github.com/nautobot/nautobot/releases/tag/v3.1.2 · Note
• https://github.com/nautobot/nautobot/releases/tag/v2.4.33 · Note
• https://twitter.com/CVEnew/status/2060091981833859316 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2060135852647268851 · Twitter Post
• https://twitter.com/infoflowcloud/status/2060093035203998119 · Twitter Post