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    2 vulnerabilities by webp-sh

    CVE-2026-53779 (GCVE-0-2026-53779)

    Vulnerability from nvd – Published: 2026-06-22 18:22 – Updated: 2026-06-23 14:12 X_Open Source
    VLAI
    Title
    WebP Server Go < 0.15.0 Path Traversal via Backslash Encoding on Windows
    Summary
    WebP Server Go through 0.14.4 contains a path traversal vulnerability on Windows that allows unauthenticated attackers to read files outside the configured IMG_PATH directory by sending requests with percent-encoded backslashes (%5C) that bypass the path.Clean() sanitization in handler/router.go. Attackers can exploit the discrepancy between Go's forward-slash-only path normalization and Windows file system APIs that treat backslashes and forward slashes as equivalent to access arbitrary files on the host filesystem accessible to the server process.
    Severity
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
    7.5 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
    Assigner
    References
    Impacted products
    Vendor Product Version
    webp-sh webp_server_go Affected: 0 , < 0.15.0 (semver)
    		Create a notification for this product.
    Date Public
    2026-06-03 00:00
    Credits
    Katriel Moses
    Show details on NVD website
    To clipboard 

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    CVE-2026-53779 (GCVE-0-2026-53779)

    Vulnerability from cvelistv5 – Published: 2026-06-22 18:22 – Updated: 2026-06-23 14:12 X_Open Source
    VLAI
    Title
    WebP Server Go < 0.15.0 Path Traversal via Backslash Encoding on Windows
    Summary
    WebP Server Go through 0.14.4 contains a path traversal vulnerability on Windows that allows unauthenticated attackers to read files outside the configured IMG_PATH directory by sending requests with percent-encoded backslashes (%5C) that bypass the path.Clean() sanitization in handler/router.go. Attackers can exploit the discrepancy between Go's forward-slash-only path normalization and Windows file system APIs that treat backslashes and forward slashes as equivalent to access arbitrary files on the host filesystem accessible to the server process.
    Severity
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
    7.5 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
    Assigner
    References
    Impacted products
    Vendor Product Version
    webp-sh webp_server_go Affected: 0 , < 0.15.0 (semver)
    		Create a notification for this product.
    Date Public
    2026-06-03 00:00
    Credits
    Katriel Moses
    Show details on NVD website
    To clipboard 

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