CVE-2026-18825

Origin validation error in the connect-xcors npm package

Published Sep 28, 2026 CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
An Origin Validation Error in the middleware of the connect-xcors npm package allows an attacker to bypass origin verification and perform a cross domain authenticated request.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Antono
Antono connect-cors
Vendors & Products Antono
Antono connect-cors
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description An Origin Validation Error in the middleware of the connect-xcors npm package allows an attacker to bypass origin verification and perform a cross domain authenticated request.
Title Origin validation error in the connect-xcors npm package
Weaknesses CWE-346
References
Metrics cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
TCS-CERT
Published
Updated
Oct 5, 2026, 8:18 AM
Reserved
Aug 4, 2026, 1:34 PM
Status
Deferred
Published
Sep 28, 2026, 1:17 PM
Modified
Sep 30, 2026, 9:17 PM