# CVE-2026-126288: NocoDB before 2026.06.2 Credential Disclosure via Public OAuth Client Endpoint

Status: published. Published: 2026-11-13. Updated: 2026-11-13.

NocoDB before 2026.06.2 contains an information disclosure vulnerability that allows unauthenticated attackers to retrieve full OAuth client records by querying the public client lookup route in oauth.controller.ts. Attackers who know or guess a client identifier can obtain the registration access token to modify or delete registrations, plus the bcrypt client secret hash and owner's internal identifier.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- nocodb / nocodb: ≥ 0; < 2026.06.2 (affected, custom); 2026.06.2 (unaffected, custom). Source: CNA: VulnCheck

## Severity and prioritization

- CVSS 4.0: 6.9 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N; source: CNA: VulnCheck

- CVSS 3.1: 5.3 (medium); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N; source: CNA: VulnCheck

- CVSS 4.0: 6.9 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/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; source: NVD: disclosure@vulncheck.com

- CVSS 3.1: 5.3 (medium); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N; source: NVD: disclosure@vulncheck.com

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-200

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://github.com/nocodb/nocodb/security/advisories/GHSA-rmx6-f46x-5hhx (CNA: VulnCheck; vendor-advisory)

- https://www.vulncheck.com/advisories/nocodb-before-2026.06.2-credential-disclosure-via-public-oauth-client-endpoint (CNA: VulnCheck; third-party-advisory)

- https://github.com/nocodb/nocodb/security/advisories/GHSA-rmx6-f46x-5hhx (disclosure@vulncheck.com)

- https://www.vulncheck.com/advisories/nocodb-before-2026.06.2-credential-disclosure-via-public-oauth-client-endpoint (disclosure@vulncheck.com)

## Provenance

- CNA: VulnCheck: https://www.cve.org/CVERecord?id=CVE-2026-126288; retrieved 2026-11-13; source updated 2026-11-13

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-126288; retrieved 2026-11-13; source updated 2026-11-13

Revision: 52373a07fcdc624b20441b83ad8517ab90cc95f85ce132d4dabe409610f28dc0

Canonical: https://y2.dev/cve/CVE-2026-126288

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.