Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%

CVE-2026-108376— dataclasses-avroschema allows code injection through record names in generated default factories

Quick assessment

Affected
marcosschroh dataclasses-avroschema
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

dataclasses-avroschema 能够从 Python 数据类(dataclasses)、Pydantic 模型和 Faust 记录(Records)生成 Avro 模式,并能够从 Avro 模式生成 Python 代码。在版本 0.38.0 至 0.70.5 中, 方法在对字段默认值应用大小写转换后,将其渲染为枚举成员引用,但未验证该引用是否为合法的标识符。攻击者可以通过插入换行符、运算符和标点符号,逃逸出预期的枚举引用上下文,从而在生成的 Python 模块中注入受限语句,导致命名空间被修改或使模块

CVSS 8.8 · High EPSS 0.37% · P29

Possible ATT&CK Techniques 1 AI

T1195 · Supply Chain Compromise

Affected Version Matrix 1

VendorProduct Version RangeStatus
marcosschroh dataclasses-avroschema >= 0.47.3, < 0.70.6 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-108376

Vulnerability Information

Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
dataclasses-avroschema allows code injection through record names in generated default factories
Source: CVE Program / CVE List V5
Vulnerability Description
dataclasses-avroschema generates Avro schemas from Python dataclasses, Pydantic models, and Faust Records and generates Python code from Avro schemas. From version 0.47.3 through 0.70.5, FieldRepresentation.get_field_default inserts a schema-controlled referenced record name into the callable position of a generated default_factory lambda without validating it as an Avro name. A crafted record name can become an arbitrary Python expression that executes when an instance of the generated model consumes the field default. Version 0.70.6 fixes the vulnerability by rejecting record names that do not match the Avro name grammar.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
marcosschroh dataclasses-avroschema >= 0.47.3, < 0.70.6 -

II. Public POCs for CVE-2026-108376

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-108376

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-108376 (1)

Vendor Pages for CVE-2026-108376 (1)

Same Patch Batch · marcosschroh · 2026-10-13 · 11 CVEs total

CVE-2026-108375 8.8 HIGH dataclasses-avroschema allows code injection through generated field-default literals
CVE-2026-108377 8.8 HIGH dataclasses-avroschema allows code injection through generated Meta.schema_name
CVE-2026-108380 8.8 HIGH dataclasses-avroschema field documentation allows code injection in generated Pydantic des
CVE-2026-108378 8.8 HIGH dataclasses-avroschema record documentation can terminate generated class docstrings
CVE-2026-108381 8.8 HIGH dataclasses-avroschema pydantic-class metadata allows code injection in generated annotati
CVE-2026-108379 8.8 HIGH dataclasses-avroschema fixed namespaces allow code injection in generated annotations
CVE-2026-108382 8.8 HIGH dataclasses-avroschema allows code injection through generated enum-symbol string literals
CVE-2026-108383 8.8 HIGH dataclasses-avroschema enum field defaults can inject statements into generated modules
CVE-2026-108385 8.8 HIGH dataclasses-avroschema enum symbols can inject statements through generated member names
CVE-2026-108384 8.8 HIGH dataclasses-avroschema allows code injection through fixed-type aliases supplied as a bare

IV. Related Vulnerabilities

V. Comments for CVE-2026-108376

No comments yet


Leave a comment