CVE-2026-108380 (GCVE-0-2026-108380)
Vulnerability from cvelistv5 – Published: 2026-10-13 17:41 – Updated: 2026-10-13 18:17
VLAI
EPSS
VEX
Title
dataclasses-avroschema field documentation allows code injection in generated Pydantic descriptions
Summary
dataclasses-avroschema generates Avro schemas from Python dataclasses, Pydantic models, and Faust Records and generates Python code from Avro schemas. From version 0.65.9 through 0.70.5, PydanticFieldRepresentation.add_field_properties inserts a schema field's doc value between the quotes of a generated pydantic.Field description argument without escaping it. A crafted quote can terminate the string and inject an expression evaluated during generated class definition, allowing arbitrary Python code execution for Pydantic and AvroDantic model generation. Version 0.70.6 fixes the vulnerability by escaping the documentation value before rendering it.
Severity
8.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 18:16 UTC
CWE
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/marcosschroh/dataclasses-avros… | x_refsource_CONFIRM |
| https://github.com/marcosschroh/dataclasses-avros… | x_refsource_MISC |
| https://github.com/marcosschroh/dataclasses-avros… | x_refsource_MISC |
| https://github.com/marcosschroh/dataclasses-avros… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| marcosschroh | dataclasses-avroschema |
Affected:
>= 0.65.9, < 0.70.6
|
guessed |
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|---|
Nomenclature
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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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