---
title: "CVE-2026-108385: dataclasses-avroschema - Insecure Deserialization"
description: "dataclasses-avroschema 0.38.0 through 0.70.5 contains an insecure deserialization caused by lack of validation of enum symbols in BaseGenerator.parse_enum and EnumRepresentation.render_symbols, letting attackers inject malicious code into generated enum classes, exploit requires use of generator classes directly."
url: https://panop.io/threat-heartbeat/CVE-2026-108385/
---

# CVE-2026-108385 dataclasses-avroschema - Insecure Deserialization

dataclasses-avroschema 0.38.0 through 0.70.5 contains an insecure deserialization caused by lack of validation of enum symbols in BaseGenerator.parse\_enum and EnumRepresentation.render\_symbols, letting attackers inject malicious code into generated enum classes, exploit requires use of generator classes directly.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.36% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-108385)

## Details

Type

Insecure Deserialization

Impact

Remote Code Execution

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Published

13 October 2026

Updated

15 October 2026

Weakness

[CWE-94](https://cwe.mitre.org/data/definitions/94.html)

## Vendor fix

Update to version 0.70.6 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-108385](https://nvd.nist.gov/vuln/detail/CVE-2026-108385)
- [https://github.com/marcosschroh/dataclasses-avroschema/security/advisories/GHSA-gw6w-pvv9-2fqc](https://github.com/marcosschroh/dataclasses-avroschema/security/advisories/GHSA-gw6w-pvv9-2fqc)
- [https://github.com/marcosschroh/dataclasses-avroschema/commit/429f3d705d2d04c0c65e2ef832daed5ff91318fc](https://github.com/marcosschroh/dataclasses-avroschema/commit/429f3d705d2d04c0c65e2ef832daed5ff91318fc)
- [https://github.com/marcosschroh/dataclasses-avroschema/releases/tag/0.70.6](https://github.com/marcosschroh/dataclasses-avroschema/releases/tag/0.70.6)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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