CVE-2026-18825CWE-346

CVE-2026-18825

published September 28, 2026

CVSS
5.3
EPSS
0%
Percentile
6.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
5.3 · NONE
CVSS v4.0
5.3 · 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
EPSS
0.00175 · 6.6th percentile
Weakness
CWE-346 · Origin Validation Error
Published
2026-09-28T17:17Z
References (1)
EPSS history
Timeline
  • 30 SEP 03:25Z
    EPSS moved — → 0%
    epss
  • 28 SEP 12:32Z
    Origin validation error in the connect-xcors npm package
    cvelistv5