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    CVE-2026-81356

    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.

    Published:Sep 8, 2026
    Last Modified:Sep 10, 2026
    EPS:Sep 8, 2026
    EPSS Score:0.00329
    CVSS Score:8.2

    Affected Products

    Vendor
    Microsoft
    Product
    Visual Studio Code

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-273 HTTP Response Smuggling
    CAPEC-33 HTTP Request Smuggling

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    CVE-2026-81378 (CVSS 8.2) — Interpretation conflict in Visual Studio Code allows an unauthorized attacker to bypass a security feature ove…
    CVE-2026-81377 (CVSS 6.5) — Improper limitation of a pathname to a restricted directory ('path traversal') in Visual Studio Code allows an…
    CVE-2026-81376 (CVSS 9.6) — Incomplete comparison with missing factors in Visual Studio Code allows an unauthorized attacker to bypass a s…
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High