All vulnerabilities
CVE-2026-103269GHSA-rv92-9vfp-2826

Ghost 5.3.0 before 6.62.0 Missing Authorization via Post Excerpts

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)0.24%Chance of exploitation activity in the next 30 days, higher than 13% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in6.62.0Fixed 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 versions 5.3.0 before 6.62.0 contain a missing authorization vulnerability that allows an authenticated site member to read the excerpts of posts they do not have access to (gated content).

Text from CVE List

Affected versions 2

  • Ghostaffected: 5.3.0 before 6.62.0CVE List
  • Ghostunaffected: 6.62.0CVE List

References 2