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    2 vulnerabilities by snail007

    CVE-2026-91143 (GCVE-0-2026-91143)

    Vulnerability from nvd – Published: 2026-09-14 21:45 – Updated: 2026-09-24 14:22
    VLAI
    Title
    goproxy through 15.3 Authentication Bypass via CONNECT
    Summary
    goproxy through 15.3 fails to apply HTTP proxy basic authentication to CONNECT tunnel requests, allowing unauthenticated clients to bypass credential requirements. Attackers can issue CONNECT requests to establish tunnels through the authenticated proxy without providing credentials, enabling arbitrary TCP traffic relay and access to restricted destinations.
    Severity
    6.9 (Medium)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
    7.2 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-15 19:12 UTC
    CWE
    • CWE-288 - Authentication Bypass Using an Alternate Path or Channel
    Assigner
    References
    Impacted products
    Vendor Product Version
    snail007 goproxy Affected: 0 , ≤ 15.3 (custom)
        cpe:2.3:a:goproxy_project:goproxy:*:*:*:*:*:*:*:*
    		Create a notification for this product.
    Date Public
    2026-07-29 00:00
    Credits
    George Chen
    Show details on NVD website
    To clipboard 

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    CVE-2026-91143 (GCVE-0-2026-91143)

    Vulnerability from cvelistv5 – Published: 2026-09-14 21:45 – Updated: 2026-09-24 14:22
    VLAI
    Title
    goproxy through 15.3 Authentication Bypass via CONNECT
    Summary
    goproxy through 15.3 fails to apply HTTP proxy basic authentication to CONNECT tunnel requests, allowing unauthenticated clients to bypass credential requirements. Attackers can issue CONNECT requests to establish tunnels through the authenticated proxy without providing credentials, enabling arbitrary TCP traffic relay and access to restricted destinations.
    Severity
    6.9 (Medium)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
    7.2 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-15 19:12 UTC
    CWE
    • CWE-288 - Authentication Bypass Using an Alternate Path or Channel
    Assigner
    References
    Impacted products
    Vendor Product Version
    snail007 goproxy Affected: 0 , ≤ 15.3 (custom)
        cpe:2.3:a:goproxy_project:goproxy:*:*:*:*:*:*:*:*
    		Create a notification for this product.
    Date Public
    2026-07-29 00:00
    Credits
    George Chen
    Show details on NVD website
    To clipboard 

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