CVE-2026-18825
connect-cors: Origin validation error in the connect-xcors npm package
github.com/antono connect-cors
CVSS
5.3MediumExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.18%Chance of exploitation activity in the next 30 days, higher than 6% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
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.
Text from CVE List
Affected versions 1
- connect-corsaffected: all versions through 0.5.6CVE List