{"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"}}}}

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