CVE-2026-93751

6.5 MEDIUMpublic exploit available

Published 2026-09-18 · Updated 2026-09-22

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD 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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Weaknesses

CWE-176

Public exploit & PoC references

https://github.com/garycourt/uri-js
https://github.com/garycourt/uri-js/blob/a1acf730b4bba3f1097c9f52e7d9d3aba8cdcaae/src/uri.ts#L103-L141
https://github.com/garycourt/uri-js/issues/106

All references

https://github.com/garycourt/uri-js
https://github.com/garycourt/uri-js/blob/a1acf730b4bba3f1097c9f52e7d9d3aba8cdcaae/src/uri.ts#L103-L141
https://github.com/garycourt/uri-js/issues/106
https://www.vulncheck.com/advisories/uri-js-through-4.4.1-improper-utf-8-decoding-via-pctdecchars

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

Related CVEs

UNSCOREDCVE-2026-86105
HIGHCVE-2026-93990PoC

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