{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-121736","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-11-03T22:17:06.031Z","datePublished":"2026-11-03T22:55:40.868Z","dateUpdated":"2026-11-03T22:55:40.868Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-11-03T22:55:40.868Z"},"datePublic":"2026-08-03T00:00:00.000Z","title":"NocoDB 0.300.0 before 2026.08.0 Unauthenticated OAuth Authorization Code Creation","descriptions":[{"lang":"en","value":"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 with client_id, redirect_uri and approved=true to insert unbounded ownerless authorization code records, limited only by rate limiting."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Missing Authentication for Critical Function","cweId":"CWE-306","type":"CWE"}]}],"affected":[{"vendor":"nocodb","product":"nocodb","defaultStatus":"unaffected","packageURL":"pkg:npm/nocodb","versions":[{"version":"0.300.0","lessThan":"2026.08.0","status":"affected","versionType":"custom"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:nocodb:nocodb:*:*:*:*:*:*:*:*","versionEndExcluding":"2026.08.0","versionStartIncluding":"0.300.0"}]}]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6.9,"baseSeverity":"MEDIUM"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM"}}],"references":[{"url":"https://github.com/nocodb/nocodb/commit/42128735eba328d157c2e90b98795cb248dc0847","tags":["patch"],"name":"Patch Commit"},{"url":"https://github.com/nocodb/nocodb","tags":["product"]},{"url":"https://github.com/nocodb/nocodb/security/advisories/GHSA-532v-ccph-m3xg","tags":["vendor-advisory"],"name":"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","tags":["technical-description"]},{"url":"https://github.com/nocodb/nocodb/releases/tag/2026.08.0","tags":["release-notes"],"name":"NocoDB 2026.08.0 Release Notes"},{"name":"VulnCheck Advisory: NocoDB 0.300.0 before 2026.08.0 Unauthenticated OAuth Authorization Code Creation","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/nocodb-0.300.0-before-2026.08.0-unauthenticated-oauth-authorization-code-creation"}],"credits":[{"lang":"en","value":"Shafayat Ahmed Alif","type":"finder"},{"lang":"en","value":"Kazi Sabbir","type":"finder"},{"lang":"en","value":"mertmit","type":"remediation developer"}],"x_generator":{"engine":"vulncheck-endgame"}}}}