All vulnerabilities
CVE-2026-103280GHSA-5685-hwm9-62cg

Ghost 0.8.0 before 6.23.0 Information Disclosure via Setup Endpoint

TryGhost GhostApplications & CMS
Open in ThreatlineRecord JSON
CVSS
6.9Medium
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.21%Chance of exploitation activity in the next 30 days, higher than 9% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in6.23.0Fixed versionCVE List
Published1 Oct 2026Updated 1 Oct 2026CVE List

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Description

Ghost from version 0.8.0 before 6.23.0 contains an information disclosure vulnerability in its setup endpoint: the endpoint responds to unauthenticated requests with the site owner's email address, allowing any remote visitor to obtain it.

Text from CVE List

Affected versions 2

  • Ghostaffected: 0.8.0 before 6.23.0CVE List
  • Ghostunaffected: 6.23.0CVE List

References 2