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GHSA-jm66-cg57-jjv5 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceGHSA-jm66-cg57-jjv5

GHSA-jm66-cg57-jjv5

HIGH7.5

Azure Core is vulnerable to deserialization of untrusted data

Published Jan 13, 2026

Modified 9 months ago

Fix available

Details

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

Affected Packages

azure-core

PyPI

Fixed in:

1.38.0

References

https://github.com/Azure/azure-sdk-for-python

https://github.com/Azure/azure-sdk-for-python/blob/6d2e6431ea0991861640e449e51e894247a7771a/sdk/core/azure-core/CHANGELOG.md#1380-2026-01-12

https://github.com/advisories/GHSA-jm66-cg57-jjv5

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21226

https://nvd.nist.gov/vuln/detail/CVE-2026-21226

Aliases

CVSS Analysis

CVSS v3.1

7.5

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

HighAC:H

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

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

Related

Ecosystems

Timeline

PublishedJan 13, 2026

ModifiedJan 13, 2026