CVE-2026-108384 dataclasses-avroschema - Remote Code Execution

dataclasses-avroschema 0.38.0 through 0.70.5 contains a remote code execution caused by unsafe interpolation of fixed type aliases in generated Python code, letting attackers execute arbitrary code via crafted schema, exploit requires crafted schema input.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.34% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Remote Code Execution
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

Vendor fix

Upgrade 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

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