CVE-2026-93751: Garycourt Uri-Js

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

• Garycourt Uri-Js: up to and including 4.4.1

Published 2026-09-18. Last modified 2026-09-22.