Vulnerability · Published Oct 1, 2026 · Assigned by VulnCheck

CVE-2026-103279Ghost 3.10.0 before 6.34.0 Session Invalidation Bypass

Medium 6.8

In plain English

A medium-severity security flaw in Ghost from TryGhost. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).

Severity (CVSS 3.1)6.8Medium
Exploit odds (30 days)0.2%top 91.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
TryGhost Ghost 3.10.0 – before 6.34.0

Weakness: CWE-613 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

References