Resource exhaustion in Nautobot
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.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.006 (45.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.006 · change: +0.002
Affected products
- Nautobot — versions >= 3.0.0a2, < 3.1.2, < 2.4.33
- Networktocode Nautobot
Weakness classification (CWE)
References
- github.com/nautobot/nautobot/security/advisories/GHSA-qrpw-gjvh-x5gm (Patch, Vendor Advisory)
- github.com/nautobot/nautobot/commit/5a30d0916953afbeedd24a784709e762cc3879cd (Patch)
- github.com/nautobot/nautobot/commit/c2b766966d814a7141f62c7bc90c85fefb7892ee (Patch)
- github.com/nautobot/nautobot/releases/tag/v2.4.33 (Product, Release Notes)
- github.com/nautobot/nautobot/releases/tag/v3.1.2 (Product, Release Notes)
Frequently asked questions
- What is CVE-2026-44796?
- CVE-2026-44796 is a medium-severity vulnerability in Nautobot, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2026-05-28.
- How severe is CVE-2026-44796?
- Medium severity. CVSS v3 base score is 6.5 out of 10.