CVE-2026-126273
NocoDB before 2026.09.0 Privilege Escalation via Incomplete Admin Bootstrap
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.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| nocodb nocodb |
≥ 0; < 2026.09.0 (affected, custom) 2026.09.0 (unaffected, custom) Other versions: unaffected |
CNA: VulnCheck |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 9.2 critical |
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: VulnCheck |
| 3.1 / 8.1 high |
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H | CNA: VulnCheck |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://github.com/nocodb/nocodb/security/advisories/GHSA-mjxv-r6j7-m8gvCNA: VulnCheck · vendor-advisory
- https://www.vulncheck.com/advisories/nocodb-before-2026.09.0-privilege-escalation-via-incomplete-admin-bootstrapCNA: VulnCheck · third-party-advisory
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