{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-108384", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-09T21:36:27.043Z", "datePublished": "2026-10-13T17:53:48.228Z", "dateUpdated": "2026-10-13T17:53:48.228Z"}, "containers": {"cna": {"title": "dataclasses-avroschema allows code injection through fixed-type aliases supplied as a bare string", "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": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/marcosschroh/dataclasses-avroschema/security/advisories/GHSA-8j5c-xq6f-2c43", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/marcosschroh/dataclasses-avroschema/security/advisories/GHSA-8j5c-xq6f-2c43"}, {"name": "https://github.com/marcosschroh/dataclasses-avroschema/commit/429f3d705d2d04c0c65e2ef832daed5ff91318fc", "tags": ["x_refsource_MISC"], "url": "https://github.com/marcosschroh/dataclasses-avroschema/commit/429f3d705d2d04c0c65e2ef832daed5ff91318fc"}, {"name": "https://github.com/marcosschroh/dataclasses-avroschema/releases/tag/0.70.6", "tags": ["x_refsource_MISC"], "url": "https://github.com/marcosschroh/dataclasses-avroschema/releases/tag/0.70.6"}], "affected": [{"vendor": "marcosschroh", "product": "dataclasses-avroschema", "versions": [{"version": ">= 0.38.0, < 0.70.6", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-13T17:53:48.228Z"}, "descriptions": [{"lang": "en", "value": "dataclasses-avroschema generates Avro schemas from Python dataclasses, Pydantic models, and Faust Records and generates Python code from Avro schemas. From version 0.38.0 through 0.70.5, BaseGenerator.parse_fixed interpolates a fixed type's aliases value directly into a generated types.confixed annotation. A list is represented with quoted entries, but a bare string is emitted as an unquoted Python expression and evaluated when the generated module is imported, allowing arbitrary code execution from a crafted schema. Version 0.70.6 fixes the vulnerability by rejecting aliases values that are not lists."}], "source": {"advisory": "GHSA-8j5c-xq6f-2c43", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "dataclasses-avroschema", "vendor": "marcosschroh", "versions": [{"status": "affected", "version": ">= 0.38.0, < 0.70.6"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "dataclasses-avroschema generates Avro schemas from Python dataclasses, Pydantic models, and Faust Records and generates Python code from Avro schemas. From version 0.38.0 through 0.70.5, BaseGenerator.parse_fixed interpolates a fixed type's aliases value directly into a generated types.confixed annotation. A list is represented with quoted entries, but a bare string is emitted as an unquoted Python expression and evaluated when the generated module is imported, allowing arbitrary code execution from a crafted schema. Version 0.70.6 fixes the vulnerability by rejecting aliases values that are not lists."}], "id": "CVE-2026-108384", "lastModified": "2026-10-13T18:17:17.750", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "[email protected]", "type": "Secondary"}]}, "published": "2026-10-13T18:17:17.750", "references": [{"source": "[email protected]", "url": "https://github.com/marcosschroh/dataclasses-avroschema/commit/429f3d705d2d04c0c65e2ef832daed5ff91318fc"}, {"source": "[email protected]", "url": "https://github.com/marcosschroh/dataclasses-avroschema/releases/tag/0.70.6"}, {"source": "[email protected]", "url": "https://github.com/marcosschroh/dataclasses-avroschema/security/advisories/GHSA-8j5c-xq6f-2c43"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-94"}], "source": "[email protected]", "type": "Primary"}]}

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