CVE-2026-93690

Summary

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.

Affected Software

Weaknesses

• CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: partial

Additional References

• https://github.com/garycourt/uri-js/issues/105

References

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

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