All vulnerabilities
CVE-2026-103279GHSA-v9vj-6fq5-99xj

Ghost 3.10.0 before 6.34.0 Session Invalidation Bypass

TryGhost GhostApplications & CMS
Open in ThreatlineRecord JSON
CVSS
7.6High
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.19%Chance of exploitation activity in the next 30 days, higher than 7% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in6.34.0Fixed versionCVE List
Published1 Oct 2026Updated 6 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 from 3.10.0 before 6.34.0 fail to fully invalidate all sessions after a password change. Attackers with a stolen session cookie can maintain access to user accounts even after the associated user changes their password.

Text from CVE List

Affected versions 2

  • Ghostaffected: 3.10.0 before 6.34.0CVE List
  • Ghostunaffected: 6.34.0CVE List

References 2