CVE-2026-126273 json
NocoDB before 2026.09.0 Privilege Escalation via Incomplete Admin Bootstrap
published 19d ago modified 2d ago also EUVD-2026-125248 , GHSA-mjxv-r6j7-m8gv
Unreviewed: the maintainers' own advisory
Published by the maintainers on their GitHub repository nocodb/nocodb. GitHub has not reviewed it into the GitHub Advisory Database, so the affected packages and versions are the maintainers' word. Read the full advisory on GitHub.
- cvss
- 8.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 30%
- public exploits
- 0
- none known
Summary
NocoDB before 2026.09.0 contains a privilege escalation vulnerability in initAdminFromEnv.ts that silently skips super-admin bootstrap when the admin password environment variable is empty. Unauthenticated attackers can call the public signup endpoint first on a fresh instance to receive Creator and Super Admin roles, gaining full administrative control.
Patch / fix
- nocodb nocodb 2026.09.0
Is CVE-2026-126273 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
0.36% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-14).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 9.2 | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| CNA | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 4.0 | 9.2 | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| NVD | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
Inferred packages
No advisory lists a package for this vulnerability yet. The CVE names these as products and links their GitHub repository, and the package registry names the same repository, so they are probably the affected packages. Low confidence: the versions are the CVE’s own for the product, and a stack check reports the package as unchecked when there are none.
| ecosystem | package | repository | affected |
|---|---|---|---|
| npm | nocodb | nocodb/nocodb | < 2026.09.0 |
Affected products
- nocodb nocodb
Classification
- Weakness
-
- CWE-269 Improper Privilege Management
References
-
github.com
/nocodb/nocodb/security/advisories/GHSA-mjxv-r6j7-m8gv
vendor-advisory, advisory
-
vulncheck.com
/advisories/nocodb-before-2026.09.0-privilege-escalation-via-incomplete-admin-bootstrap
third-party-advisory
Sources
- CVE List CVE-2026-126273
- NVD CVE-2026-126273
- Maintainer advisory GHSA-mjxv-r6j7-m8gv
Fencer Intel 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.
The maintainers of nocodb/nocodb published their own advisory on GitHub. Reviewed sources take precedence over it.