CVE-2026-103279

MEDIUM 6.8

Ghost 3.10.0 before 6.34.0 Session Invalidation Bypass

CVSS Score

6.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-613
Vendor	tryghost
Product	ghost
Published	Oct 1, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Affected Versions

TryGhost / Ghost

3.10.0 < 6.34.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/TryGhost/Ghost/security/advisories/GHSA-v9vj-6fq5-99xj vulncheck.com: https://www.vulncheck.com/advisories/ghost-3.10.0-before-6.34.0-session-invalidation-bypass