All vulnerabilities

CVE-2026-21226

Azure Core is vulnerable to deserialization of untrusted data

Description

Deserialization of untrusted data in Azure Core shared client library for Python allows an authorized attacker to execute code over a network.

Patch Available

Fix available through Seal Security. 

No upgrade required, protect your application instantly.

Fix without upgrading
Score
7.5
Severity
High
Ecosystem
Python
Publish Date
January 13, 2026
Modified Date
February 3, 2026
Score Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Versions