{"id":"CVE-2026-54690","state":"PUBLISHED","title":"datamodel-code-generator vulnerable to SSRF via JSON-Schema `$ref` to HTTP URL (silent by default)","description":"datamodel-code-generator generates Pydantic v2 models, dataclasses, TypedDict, and msgspec.Struct from OpenAPI, JSON Schema, GraphQL, Avro, Protobuf, and raw JSON, YAML, or CSV. From 0.9.1 until 0.61.0, datamodel-code-generator silently dereferences attacker-controlled JSON Schema $ref HTTP or HTTPS URLs in src/datamodel_code_generator/parser/jsonschema.py through _get_ref_body, and the --allow-remote-refs gate can warn instead of blocking, allowing server-side request forgery through src/datamodel_code_generator/http.py. This issue is fixed in version 0.61.0.","publishedAt":"2026-07-28T21:42:06.802Z","updatedAt":"2026-07-29T15:24:16.907Z","severity":{"score":8.2,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["koxudaxi datamodel-code-generator"],"affected":[{"vendor":"koxudaxi","product":"datamodel-code-generator","versions":[{"version":">= 0.9.1, < 0.61.0","status":"affected"}]}],"references":["https://github.com/koxudaxi/datamodel-code-generator/security/advisories/GHSA-954p-556p-r752","https://github.com/koxudaxi/datamodel-code-generator/commit/5fdba4a09f2d7a9996a504975b7ef7d63e3715bb","https://github.com/koxudaxi/datamodel-code-generator/releases/tag/0.61.0"],"weaknesses":["CWE-918"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/54xxx/CVE-2026-54690.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-54690","state":"PUBLISHED","datePublished":"2026-07-28T21:42:06.802Z","dateUpdated":"2026-07-29T15:24:16.907Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-15T22:53:58.562Z"},"containers":{"cna":{"title":"datamodel-code-generator vulnerable to SSRF via JSON-Schema `$ref` to HTTP URL (silent by default)","descriptions":[{"lang":"en","value":"datamodel-code-generator generates Pydantic v2 models, dataclasses, TypedDict, and msgspec.Struct from OpenAPI, JSON Schema, GraphQL, Avro, Protobuf, and raw JSON, YAML, or CSV. From 0.9.1 until 0.61.0, datamodel-code-generator silently dereferences attacker-controlled JSON Schema $ref HTTP or HTTPS URLs in src/datamodel_code_generator/parser/jsonschema.py through _get_ref_body, and the --allow-remote-refs gate can warn instead of blocking, allowing server-side request forgery through src/datamodel_code_generator/http.py. This issue is fixed in version 0.61.0."}],"affected":[{"vendor":"koxudaxi","product":"datamodel-code-generator","versions":[{"version":">= 0.9.1, < 0.61.0","status":"affected"}]}],"references":[{"url":"https://github.com/koxudaxi/datamodel-code-generator/security/advisories/GHSA-954p-556p-r752","name":"https://github.com/koxudaxi/datamodel-code-generator/security/advisories/GHSA-954p-556p-r752","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/koxudaxi/datamodel-code-generator/commit/5fdba4a09f2d7a9996a504975b7ef7d63e3715bb","name":"https://github.com/koxudaxi/datamodel-code-generator/commit/5fdba4a09f2d7a9996a504975b7ef7d63e3715bb","tags":["x_refsource_MISC"]},{"url":"https://github.com/koxudaxi/datamodel-code-generator/releases/tag/0.61.0","name":"https://github.com/koxudaxi/datamodel-code-generator/releases/tag/0.61.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.2,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-918","lang":"en","description":"CWE-918: Server-Side Request Forgery (SSRF)","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-07-28T21:42:06.802Z"},"source":{"advisory":"GHSA-954p-556p-r752","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/koxudaxi/datamodel-code-generator/security/advisories/GHSA-954p-556p-r752","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-29T14:43:53.317228Z","id":"CVE-2026-54690","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-29T15:24:16.907Z"}}]}}}