CVE-2026-108381 dataclasses-avroschema - Remote Code Execution

dataclasses-avroschema 0.44.0 through 0.70.5 contains a code injection vulnerability caused by unsafe evaluation of pydantic-class values in generated field annotations, letting attackers execute arbitrary Python code during module import, exploit requires crafted schema field values.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.30% 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

← All CVEs