Nautobot: Object bulk rename UI actions vulnerable to denial of service by crafted regular expression (REDoS) — CVE-2026-44796

Summary

### Impact 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. ### Patches A general-purpose timeout has been added to these endpoints in Nautobot v2.4.33 and v3.1.2, which ensures that the request will fail early with an…

Product

pip: nautobot

What to do

General, cautious steps (verify details in the official source):

• Review exposure and plan remediation based on risk and environment.
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

• Read the official source
• CVE Record
• NVD

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