{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-55403", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-16T21:48:43.124Z", "datePublished": "2026-07-28T21:31:49.172Z", "dateUpdated": "2026-07-29T12:46:11.346Z" }, "containers": { "cna": { "title": "datamodel-code-generator: Authorization / request headers leaked to cross-origin redirect target when fetching remote schemas", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-200", "lang": "en", "description": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor", "type": "CWE" } ] }, { "descriptions": [ { "cweId": "CWE-601", "lang": "en", "description": "CWE-601: URL Redirection to Untrusted Site ('Open Redirect')", "type": "CWE" } ] } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1" } } ], "references": [ { "name": "https://github.com/koxudaxi/datamodel-code-generator/security/advisories/GHSA-r5vv-ff45-prp2", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/koxudaxi/datamodel-code-generator/security/advisories/GHSA-r5vv-ff45-prp2" }, { "name": "https://github.com/koxudaxi/datamodel-code-generator/commit/a585c037c8307b7aae815de193b7fe1c4c44994b", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/koxudaxi/datamodel-code-generator/commit/a585c037c8307b7aae815de193b7fe1c4c44994b" }, { "name": "https://github.com/koxudaxi/datamodel-code-generator/releases/tag/0.63.0", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/koxudaxi/datamodel-code-generator/releases/tag/0.63.0" } ], "affected": [ { "vendor": "koxudaxi", "product": "datamodel-code-generator", "versions": [ { "version": "< 0.63.0", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-28T21:31:49.172Z" }, "descriptions": [ { "lang": "en", "value": "datamodel-code-generator generates Python data models from schema definitions. Prior to 0.63.0, src/datamodel_code_generator/http.py get_body reuses Authorization, Cookie, and Proxy-Authorization headers when following cross-origin redirects while fetching remote schemas, allowing credentials scoped to one schema host to be leaked to another redirect target. This issue is fixed in version 0.63.0." } ], "source": { "advisory": "GHSA-r5vv-ff45-prp2", "discovery": "UNKNOWN" } }, "adp": [ { "references": [ { "url": "https://github.com/koxudaxi/datamodel-code-generator/security/advisories/GHSA-r5vv-ff45-prp2", "tags": [ "exploit" ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-07-29T12:45:40.786689Z", "id": "CVE-2026-55403", "options": [ { "Exploitation": "poc" }, { "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": "2026-07-29T12:46:11.346Z" } } ] } }