Sep 2026: Visual Studio Code Security Feature Bypass Vulnerability
CVE-2026-81356 Published on September 8, 2026
Visual Studio Code Security Feature Bypass Vulnerability
Inconsistent interpretation of http requests ('http request/response smuggling') in Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.
Weakness Type
What is a HTTP Request Smuggling Vulnerability?
When malformed or abnormal HTTP requests are interpreted by one or more entities in the data flow between the user and the web server, such as a proxy or firewall, they can be interpreted inconsistently, allowing the attacker to "smuggle" a request to one device without the other device being aware of it.
CVE-2026-81356 has been classified to as a HTTP Request Smuggling vulnerability or weakness.
Products Associated with CVE-2026-81356
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Affected Versions
Microsoft Visual Studio Code:- Version 1.0.0 and below 1.136.2 is affected.