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  4. CVE 2026 108382 dataclasses avroschema allows code injection
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Back to active CVEs
High · CVSS 8.8CVE-2026-108382

dataclasses-avroschema allows code injection through generated enum-symbol string literalsCVE-2026-108382

Answer in brief

CVE-2026-108382 records a High severity (CVSS 8.8) vulnerability in dataclasses-avroschema allows code injection through generated enum-symbol string literals. The current sources do not mark it as known exploited. The current feed maps marcosschroh/dataclasses-avroschema (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 13, 2026Updated Oct 13, 2026Source checked Oct 13, 2026First seen by HOL Oct 13, 2026Material review Oct 13, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.8
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 8.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps marcosschroh/dataclasses-avroschema (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
marcosschroh/dataclasses-avroschemageneric>=0.38.0 <0.70.60.70.6

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for marcosschroh/dataclasses-avroschema.
  2. 2Review the reported fix. Update marcosschroh/dataclasses-avroschema to 0.70.6 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 13, 2026

    Evidence: source:cvelist:source_dates:source-dates:record
  2. Source modified

    Oct 13, 2026

    Evidence: source:cvelist:source_dates:source-dates:record
  3. First seen by HOL

    Oct 13, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
Upstream source description

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, EnumRepresentation.render_symbols concatenates each schema-controlled enum symbol between double quotes in a generated enum assignment. When generator classes are used directly, a quote can terminate the string literal and inject arbitrary Python code into the enum class body, which executes when the generated module is imported. Version 0.70.6 fixes the vulnerability by escaping enum symbol values before rendering them.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

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  • Misskey: Lack of rate limiting and size restrictions in RSS fetching APISame generic ecosystem
  • Ente: Accepted emergency contact can bypass the recovery notice periodSame generic ecosystem
  • Device-mapper-persistent-data: device-mapper-persistent-data: denial of service via crafted block indicesSame generic ecosystem
  • Xen Orchestra before 6.9.0 Privilege Escalation via Prototype Pollution in vm.importFromEsxiSame generic ecosystem

Record context

Vulnerability class
RCE
EPSS
Not reported
CWE IDs
CWE-94
Source
CVE List V5
Source checked
Oct 13, 2026
References
3 linked sources
Open source record