CVE-2026-54656

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54656", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-15T20:16:46.199Z", "datePublished": "2026-07-28T21:43:56.286Z", "dateUpdated": "2026-07-29T14:12:17.588Z"}, "containers": {"cna": {"title": "`datamodel-code-generator` vulnerable to code execution on import via unescaped `validators` entries in --extra-template-data", "problemTypes": [{"descriptions": [{"cweId": "CWE-94", "lang": "en", "description": "CWE-94: Improper Control of Generation of Code ('Code Injection')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/koxudaxi/datamodel-code-generator/security/advisories/GHSA-8m8r-38jm-f355", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/koxudaxi/datamodel-code-generator/security/advisories/GHSA-8m8r-38jm-f355"}, {"name": "https://github.com/koxudaxi/datamodel-code-generator/commit/a43d02906111a2fdcaf13ee5b62eb2da85376f19", "tags": ["x_refsource_MISC"], "url": "https://github.com/koxudaxi/datamodel-code-generator/commit/a43d02906111a2fdcaf13ee5b62eb2da85376f19"}, {"name": "https://github.com/koxudaxi/datamodel-code-generator/releases/tag/0.60.2", "tags": ["x_refsource_MISC"], "url": "https://github.com/koxudaxi/datamodel-code-generator/releases/tag/0.60.2"}], "affected": [{"vendor": "koxudaxi", "product": "datamodel-code-generator", "versions": [{"version": ">= 0.52.1, < 0.60.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-28T21:43:56.286Z"}, "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 0.52.1 until 0.60.2, datamodel-code-generator interpolates validators from --extra-template-data in src/datamodel_code_generator/model/pydantic_v2/base_model.py through _process_validators into @field_validator decorators without safe validation, allowing Python code execution when the generated Pydantic v2 model is imported. This issue is fixed in version 0.60.2."}], "source": {"advisory": "GHSA-8m8r-38jm-f355", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/koxudaxi/datamodel-code-generator/security/advisories/GHSA-8m8r-38jm-f355", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-29T14:12:01.711005Z", "id": "CVE-2026-54656", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-29T14:12:17.588Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-54656", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-07-29T14:12:01.711005Z"}}}], "references": [{"url": "https://github.com/koxudaxi/datamodel-code-generator/security/advisories/GHSA-8m8r-38jm-f355", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-29T14:11:43.053Z"}}], "cna": {"title": "`datamodel-code-generator` vulnerable to code execution on import via unescaped `validators` entries in --extra-template-data", "source": {"advisory": "GHSA-8m8r-38jm-f355", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "koxudaxi", "product": "datamodel-code-generator", "versions": [{"status": "affected", "version": ">= 0.52.1, < 0.60.2"}]}], "references": [{"url": "https://github.com/koxudaxi/datamodel-code-generator/security/advisories/GHSA-8m8r-38jm-f355", "name": "https://github.com/koxudaxi/datamodel-code-generator/security/advisories/GHSA-8m8r-38jm-f355", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/koxudaxi/datamodel-code-generator/commit/a43d02906111a2fdcaf13ee5b62eb2da85376f19", "name": "https://github.com/koxudaxi/datamodel-code-generator/commit/a43d02906111a2fdcaf13ee5b62eb2da85376f19", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/koxudaxi/datamodel-code-generator/releases/tag/0.60.2", "name": "https://github.com/koxudaxi/datamodel-code-generator/releases/tag/0.60.2", "tags": ["x_refsource_MISC"]}], "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 0.52.1 until 0.60.2, datamodel-code-generator interpolates validators from --extra-template-data in src/datamodel_code_generator/model/pydantic_v2/base_model.py through _process_validators into @field_validator decorators without safe validation, allowing Python code execution when the generated Pydantic v2 model is imported. This issue is fixed in version 0.60.2."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-94", "description": "CWE-94: Improper Control of Generation of Code ('Code Injection')"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-28T21:43:56.286Z"}}}, "cveMetadata": {"cveId": "CVE-2026-54656", "state": "PUBLISHED", "dateUpdated": "2026-07-29T14:12:17.588Z", "dateReserved": "2026-06-15T20:16:46.199Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-07-28T21:43:56.286Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "datamodel-code-generator", "vendor": "koxudaxi", "versions": [{"status": "affected", "version": ">= 0.52.1, < 0.60.2"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:koxudaxi:datamodel-code-generator:*:*:*:*:*:*:*:*", "matchCriteriaId": "A8010A4B-D682-46DC-A099-F84C330EDC85", "versionEndExcluding": "0.60.2", "versionStartIncluding": "0.52.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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 0.52.1 until 0.60.2, datamodel-code-generator interpolates validators from --extra-template-data in src/datamodel_code_generator/model/pydantic_v2/base_model.py through _process_validators into @field_validator decorators without safe validation, allowing Python code execution when the generated Pydantic v2 model is imported. This issue is fixed in version 0.60.2."}, {"lang": "es", "value": "datamodel-code-generator genera modelos Pydantic v2, dataclasses, TypedDict y msgspec.Struct a partir de OpenAPI, JSON Schema, GraphQL, Avro, Protobuf y JSON, YAML o CSV en bruto. Desde 0.52.1 hasta 0.60.2, datamodel-code-generator interpola validadores desde --extra-template-data en src/datamodel_code_generator/model/pydantic_v2/base_model.py a trav\u00e9s de _process_validators en decoradores @field_validator sin validaci\u00f3n segura, permitiendo la ejecuci\u00f3n de c\u00f3digo Python cuando se importa el modelo Pydantic v2 generado. Este problema est\u00e1 corregido en la versi\u00f3n 0.60.2."}], "id": "CVE-2026-54656", "lastModified": "2026-10-23T23:10:00.157", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-54656", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-07-29T14:12:01.711005Z", "version": "2.0.3"}}]}, "published": "2026-07-28T22:17:40.507", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/koxudaxi/datamodel-code-generator/commit/a43d02906111a2fdcaf13ee5b62eb2da85376f19"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/koxudaxi/datamodel-code-generator/releases/tag/0.60.2"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/koxudaxi/datamodel-code-generator/security/advisories/GHSA-8m8r-38jm-f355"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/koxudaxi/datamodel-code-generator/security/advisories/GHSA-8m8r-38jm-f355"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-94"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0.52.1,0.60.2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "datamodel-code-generator", "source": "cna", "vendor": "koxudaxi"}, "product": "datamodel-code-generator", "vendor": "koxudaxi"}], "created": "2026-07-29T00:30:17.045545+00:00", "updated": "2026-08-03T14:15:05.545526+00:00", "vendors": ["koxudaxi", "koxudaxi$PRODUCT$datamodel-code-generator"]}