CVE Watch16 jul 2026

CVE-2026-6321

fast-uri decoded percent-encoded path separators and dot segments before applying dot-segment removal in its normalize() and equal() functio

CVSS

7.5

Alto

EPSS

0.5%

p41

KEV

—

Exploit Today

0-100

Publicado: 4 may 2026 · Última mod.: 16 jul 2026 · CWE-22

EPSS · 30d

0.5%EPSS · 30 días0.5%

2026-06-302026-07-17

Descripción técnica

fast-uri decoded percent-encoded path separators and dot segments before applying dot-segment removal in its normalize() and equal() functions. Encoded path data was treated like real slashes and parent-directory references, so distinct URIs could collapse onto the same normalized path. Applications that normalize or compare attacker-controlled URLs to enforce path-based policy can be bypassed, with a path that appears confined under an allowed prefix normalizing to a different location. Versions <= 3.1.0 are affected. Update to 3.1.1 or later.

Referencias oficiales

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