{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-33210","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-03-17T23:23:58.313Z","datePublished":"2026-03-20T22:57:08.758Z","dateUpdated":"2026-03-23T21:41:29.624Z"},"containers":{"cna":{"title":"Ruby JSON has a format string injection vulnerability","problemTypes":[{"descriptions":[{"cweId":"CWE-134","lang":"en","description":"CWE-134: Use of Externally-Controlled Format String","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.3,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"}}],"references":[{"name":"https://github.com/ruby/json/security/advisories/GHSA-3m6g-2423-7cp3","tags":["x_refsource_CONFIRM"],"url":"https://github.com/ruby/json/security/advisories/GHSA-3m6g-2423-7cp3"}],"affected":[{"vendor":"ruby","product":"json","versions":[{"version":">= 2.14.0, < 2.15.2.1","status":"affected"},{"version":">= 2.16.0, < 2.17.1.2","status":"affected"},{"version":">= 2.18.0, < 2.19.2","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-03-20T22:57:08.758Z"},"descriptions":[{"lang":"en","value":"Ruby JSON is a JSON implementation for Ruby. From version 2.14.0 to before versions 2.15.2.1, 2.17.1.2, and 2.19.2, a format string injection vulnerability can lead to denial of service attacks or information disclosure, when the allow_duplicate_key: false parsing option is used to parse user supplied documents. This issue has been patched in versions 2.15.2.1, 2.17.1.2, and 2.19.2."}],"source":{"advisory":"GHSA-3m6g-2423-7cp3","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-23T21:01:54.342811Z","id":"CVE-2026-33210","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-03-23T21:41:29.624Z"}}]}}