CVE•Published 2026-05-28•Modified 2026-05-29•0 articles on news•5 live references•NVD data

CVE-2026-44796Networktocode · Nautobot

Vulnerability data via NVD (ingested)

CVSS v3.1

6.5

MEDIUM

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

EPSS percentile

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Weaknesses (CWE)

CWE-400Uncontrolled Resource Consumption CWE-1333Inefficient Regular Expression Complexity

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.

Timeline

Published 2026-05-28

Modified 2026-05-29

External references

NVD MITRE Exploit-DB Sploitus VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-44796

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Networktocode Nautobot"

All exposed Networktocode Nautobot instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Nautobot"

HTTP body or banner mentions "Nautobot" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-44796