Nautobot: Object bulk rename UI actions vulnerable to denial of service by crafted regular expression (REDoS)
Priority LOW 29CWE-1333Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-1333.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00312 24th percentileScored 2026-11-07
Fix Fixed nautobot (nautobot): 3.1.2, 2.4.33nautobot (PyPI): 3.1.2, 2.4.33
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| nautobot | nautobot | 3.0.0a2 to before 3.1.2; before 2.4.33 | 3.1.2, 2.4.33 | Patch available | CNA |
| — | nautobot (PyPI) | 3.0.0a2 to before 3.1.2 | 3.1.2 | Patch available | GHSA-qrpw-gjvh-x5gm |
| — | nautobot (PyPI) | before 2.4.33 | 2.4.33 | Patch available | GHSA-qrpw-gjvh-x5gm |
- nautobot Vendornautobot Affected 3.0.0a2 to before 3.1.2; before 2.4.33 Fixed in 3.1.2, 2.4.33 Patch available CNA
- nautobot (PyPI) Vendor— Affected 3.0.0a2 to before 3.1.2 Fixed in 3.1.2 Patch available GHSA-qrpw-gjvh-x5gm
- nautobot (PyPI) Vendor— Affected before 2.4.33 Fixed in 2.4.33 Patch available GHSA-qrpw-gjvh-x5gm
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:networktocode:nautobot:*:*:*:*:*:*:*:* | before 2.4.33; 3.0.0 to before 3.1.2 | Vulnerable | Networktocode |
- cpe:2.3:a:networktocode:nautobot:*:*:*:*:*:*:*:* Versions before 2.4.33; 3.0.0 to before 3.1.2 Vulnerable ·Networktocode
Remediation
- Fix · CNA nautobot (nautobot) Fixed in 3.1.2, 2.4.33
- Fix · GHSA-qrpw-gjvh-x5gm nautobot (PyPI) Fixed in 3.1.2 Advisory →
- Fix · GHSA-qrpw-gjvh-x5gm nautobot (PyPI) Fixed in 2.4.33 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-44796
- 2026-10-03 Alias added: GHSA-qrpw-gjvh-x5gm
References
Patch 3
More nautobot vulnerabilities
- TI-2023-10938 Remote code execution in Jinja2 template rendering in Nautobot CVSS 3.1CRITICAL 9.8
- TI-2026-32681 Nautobot: Webhook definitions could be used for server-side request forgery (SSRF) CVSS 3.1HIGH 8.5
- TI-2024-23004 Nautobot's BANNER_* configuration can be used to inject arbitrary HTML content into Nautobot pages CVSS 3.1HIGH 7.5
- TI-2024-21845 Reflected Cross-site Scripting potential in all object list views in Nautobot CVSS 3.1HIGH 7.5
- TI-2024-15445 Nautobot has XSS potential in rendered Markdown fields CVSS 3.1HIGH 7.1
- TI-2023-26544 nautobot has XSS potential in custom links, job buttons, and computed fields CVSS 3.1HIGH 7.1
Sources
- CVE-2026-44796 · CVE Program
- CVE-2026-44796 · NVD
- FIRST EPSS
- GHSA-qrpw-gjvh-x5gm · GitHub Advisory Database · CC BY 4.0
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