CVE-2026-54981

Analyzed Analyzed - Analysis Complete

Python Extension Security Feature Bypass via Untrusted Input

Publication date: 2026-08-11

Last updated on: 2026-08-22

Assigner: Microsoft Corporation

Description

Inclusion of functionality from untrusted control sphere in Visual Studio Code - Python extension allows an unauthorized attacker to bypass a security feature locally.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-08-11

Last Modified

2026-08-22

Generated

2026-09-01

AI Q&A

2026-08-12

EPSS Evaluated

2026-08-30

NVD

CVE-2026-54981

EUVD

EUVD-2026-56605

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	python	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-829	The product imports, requires, or includes executable functionality (such as a library) from a source that is outside of the intended control sphere.
CWE-693	The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.

Attack-Flow Graph

Executive Summary

This vulnerability involves the Visual Studio Code Python extension including functionality from an untrusted source. An unauthorized attacker can exploit this to bypass a local security feature.

Detection Guidance

Detection involves checking for unauthorized modifications to Visual Studio Code - Python extension files or unexpected behavior in security features. Inspect the extension directory for suspicious files and review system logs for unusual activity. No specific commands are provided in the available resources.

Impact Analysis

An attacker could bypass security measures on your system, potentially gaining unauthorized access or executing malicious code locally.

Compliance Impact

This vulnerability allows unauthorized local attackers to bypass security features in Visual Studio Code's Python extension. Such bypasses could potentially lead to unauthorized access to sensitive data, which may violate compliance requirements under GDPR (data protection) and HIPAA (health information privacy).

Mitigation Strategies

Update the Visual Studio Code Python extension to the latest version from trusted sources. Disable untrusted extensions and avoid running untrusted code in the editor.

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