CVE-2026-93751

Medium

Description

uri-js through 4.4.1 contains an improper UTF-8 decoding vulnerability in pctDecChars() that decodes invalid and overlong percent-encoded sequences into ASCII metacharacters. Attackers can craft percent-encoded payloads to bypass platform decoder validation and inject path traversal or CRLF sequences that downstream consumers process without filtering.

SeverityMedium
CVSS6.5
Exploit probability—
ProductGarycourt Uri-js
PublishedSep 18, 2026
First seenSep 18, 2026
Weakness typeCWE-176CWE-176

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
garycourt uri-jsv ≤ 4.4.1—

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