CVE-2026-103387

A weakness has been identified in garycourt uri-js up to 4.4.1. This affects the function URI.parse of the file src/schemes/mailto.ts of the component Mailto Header Handler. This manipulation of the argument to causes uncaught exception. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

CVSS v3 4.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/garycourt/uri-js/
https://github.com/garycourt/uri-js/issues/103
https://vuldb.com/cve/CVE-2026-103387
https://vuldb.com/submit/956810
https://vuldb.com/vuln/412124
https://vuldb.com/vuln/412124/cti

Configurations

No configuration.

History

30 Sep 2026, 20:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-30 20:17

Updated : 2026-10-01 02:12

NVD link : CVE-2026-103387

Mitre link : CVE-2026-103387

CVE.ORG link : CVE-2026-103387

JSON object : View

Products Affected

No product.

CWE

CWE-248

Uncaught Exception

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