CVE-2026-81356 Visual Studio Code - HTTP Request Smuggling

Visual Studio Code contains an HTTP request/response smuggling vulnerability caused by inconsistent interpretation of HTTP requests, letting unauthorized attackers bypass security features over a network, exploit requires network access.

CVSS base score 8.2 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.54% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
HTTP Request Smuggling
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
Published
8 September 2026
Updated
15 October 2026
Weakness
CWE-444

Vendor fix

Update to the latest version of Visual Studio Code.

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