{"id":"CVE-2026-121736","title":"NocoDB 0.300.0 before 2026.08.0 Unauthenticated OAuth Authorization Code Creation","summary":"NocoDB 0.300.0 before 2026.08.0 contains a missing authentication vulnerability in the POST /api/v2/oauth/authorize handler that allows unauthenticated attackers to create OAuth authorization codes. Attackers can send anonymous requests …","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","cvssSource":"cna","cwe":["CWE-306"],"vendor":"nocodb","product":"nocodb","affected":["nocodb >= 0.300.0 < 2026.08.0"],"published":"2026-11-03","updated":"2026-11-03","sourceUpdated":"2026-11-03T22:55:40.868Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-121736","references":[{"url":"https://github.com/nocodb/nocodb/commit/42128735eba328d157c2e90b98795cb248dc0847","label":"Patch Commit"},{"url":"https://github.com/nocodb/nocodb"},{"url":"https://github.com/nocodb/nocodb/security/advisories/GHSA-532v-ccph-m3xg","label":"GitHub Security Advisory (GHSA-532v-ccph-m3xg)"},{"url":"https://github.com/nocodb/nocodb/blob/2026.07.0/packages/nocodb/src/modules/oauth/controllers/oauth.controller.ts#L56-L92"},{"url":"https://github.com/nocodb/nocodb/releases/tag/2026.08.0","label":"NocoDB 2026.08.0 Release Notes"},{"url":"https://www.vulncheck.com/advisories/nocodb-0.300.0-before-2026.08.0-unauthenticated-oauth-authorization-code-creation","label":"VulnCheck Advisory: NocoDB 0.300.0 before 2026.08.0 Unauthenticated OAuth Authorization Code Creation"}],"tags":["cve.org"],"epss":0.00297,"epssPercentile":0.22498,"ingestedAt":"2026-11-05T20:33:06.612Z","slug":"CVE-2026-121736","body":"## Overview\n\nNocoDB 0.300.0 before 2026.08.0 contains a missing authentication vulnerability in the POST /api/v2/oauth/authorize handler that allows unauthenticated attackers to create OAuth authorization codes. Attackers can send anonymous requests with client_id, redirect_uri and approved=true to insert unbounded ownerless authorization code records, limited only by rate limiting.\n\n## Affected\n\n- `nocodb >= 0.300.0 < 2026.08.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}