CVE-2026-93690

HIGH 7.5

uri-js through 4.4.1 Denial of Service via removeDotSegments

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

uri-js through 4.4.1 contains a denial of service vulnerability in the removeDotSegments function that loops infinitely when a path segment begins with Unicode line or paragraph separators. Attackers can trigger this by calling removeDotSegments directly or through normalize/resolve functions with IRI handling enabled, causing the Node.js event loop to block indefinitely until heap exhaustion.

CWE	CWE-835
Vendor	garycourt
Product	uri-js
Published	Sep 18, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Affected Versions

garycourt / uri-js

0 ≤ 4.4.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/garycourt/uri-js/issues/105 github.com: https://github.com/garycourt/uri-js github.com: https://github.com/garycourt/uri-js/blob/4.4.0/src/uri.ts#L349 github.com: https://github.com/garycourt/uri-js/blob/4.4.0/src/uri.ts#L352-L376 npmjs.com: https://www.npmjs.com/package/uri-js/v/4.4.1 vulncheck.com: https://www.vulncheck.com/advisories/uri-js-through-4.4.1-denial-of-service-via-removedotsegments

Credits

Wayde Shi (PayPal Cyber Security Team)