CVE-2026-44796 json
Nautobot: Object bulk rename UI actions vulnerable to denial of service by crafted regular expression (REDoS)
published 2026-05-13 5 mo ago modified 2026-10-14 25 d ago also EUVD-2026-32975 , GHSA-qrpw-gjvh-x5gm , PYSEC-2026-2226
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 24%
- public exploits
- 0
- none known
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.
Patch / fix
- pypi nautobot 2.4.33, 3.1.2
- networktocode nautobot 2.4.33, 3.1.2
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 5 mo ago
Exploit prediction
0.31% chance of exploitation in the next 30 days, higher than 24% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| GitHub | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| OSV | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | nautobot | >=3.0.0a2, <3.1.2 <2.4.33 >=3.0.0, <3.1.2 |
3.1.2 2.4.33 |
Affected products
- nautobot nautobot
Classification
References
-
github.com
/nautobot/nautobot/commit/5a30d0916953afbeedd24a784709e762cc3879cd
web, patch
-
github.com
/nautobot/nautobot/commit/c2b766966d814a7141f62c7bc90c85fefb7892ee
web, patch
-
github.com
/nautobot/nautobot/security/advisories/GHSA-qrpw-gjvh-x5gm
web, patch, vendor-advisory
-
github.com
/nautobot/nautobot/releases/tag/v2.4.33
web, product, release-notes, advisory
-
github.com
/nautobot/nautobot/releases/tag/v3.1.2
web, product, release-notes, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2026-44796
advisory
-
github.com
/nautobot/nautobot
package
Sources
- CVE List CVE-2026-44796
- GitHub Advisory GHSA-qrpw-gjvh-x5gm
- NVD CVE-2026-44796
- OSV PYSEC-2026-2226
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.