CVE Watch14 jul 2026

CVE-2026-53779

WebP Server Go through 0.14.4 contains a path traversal vulnerability on Windows that allows unauthenticated attackers to read files outside

CVSS

7.5

Alto

EPSS

0.4%

p33

KEV

—

Exploit Today

0-100

Publicado: 22 jun 2026 · Última mod.: 14 jul 2026 · CWE-22

EPSS · 30d

0.4%EPSS · 30 días0.4%

2026-06-302026-07-20

Descripción técnica

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.

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