CVE-2026-18825

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.

CVSS 4.0

5.3CVSS: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

0.2% chance of exploitation in the next 30 days; higher than 6% of CVEs (scores of 2026-10-25)

CWE

CWE-346

Published

2026-09-28

Modified

2026-09-30

Record from

the NVD, synced 2026-10-19

References

• https://www.thalesgroup.com/en/search/cybersecurity/cybersecurity-services/cve-2026-18825

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