CVE-2026-70594
Ghost: Session Fixation in Ghost Admin
Ghost is a Node.js content management system. From 2.2.0 until 6.54.1, Ghost Admin did not invalidate existing sessions on login which could have allowed for session fixation attacks. Successful exploitation would have required another vulnerability on the same domain where Ghost Admin was hosted. This issue is fixed in version 6.54.1.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Ghost: Session Fixation in Ghost Admin
Ghost is a Node.js content management system. From 2.2.0 until 6.54.1, Ghost Admin did not invalidate existing sessions on login which could have allowed for session fixation attacks. Successful exploitation would have required another vulnerability on the same domain where Ghost Admin was hosted. This issue is fixed in version 6.54.1.
- Record
CVE-2026-70594- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L - Weakness
- CWE-384
- Updated
- 2026-11-02
EUVDEUVD-2026-52978
Ghost is a Node.js content management system. From 2.2.0 until 6.54.1, Ghost Admin did not invalidate existing sessions on login which could have allowed for session fixation attacks. Successful exploitation would have required another vulnerability on the same domain where Ghost Admin was hosted. This issue is fixed in version 6.54.1.
- Record
EUVD-2026-52978- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-7mpp-r37j-x5wh
Ghost: Session Fixation in Ghost Admin
Impact
Ghost Admin did not invalidate existing sessions on login which could have allowed for session fixation attacks. Successful exploitation would have required another vulnerability on the same domain where Ghost Admin was hosted.
Vulnerable versions
This vulnerability is present in Ghost from v2.2.0 to v6.54.0.
Patches
v6.54.1 contains a fix for this issue.
How to update
For self-hosters using Docker, find Docker's official Ghost image here. Updating a Docker-based Ghost instance is documented here.
If your Ghost is a Ghost-CLI install see our documentation on updating it to the latest version here.
References
Ghost thanks meifukun for disclosing this vulnerability responsibly.
For more information
If you have any questions or comments about this advisory, email Ghost at [email protected].
- Record
GHSA-7mpp-r37j-x5wh- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L - Weakness
- CWE-384
- Updated
- 2026-11-02
NVD
Ghost is a Node.js content management system. From 2.2.0 until 6.54.1, Ghost Admin did not invalidate existing sessions on login which could have allowed for session fixation attacks. Successful exploitation would have required another vulnerability on the same domain where Ghost Admin was hosted. This issue is fixed in version 6.54.1.
- Record
CVE-2026-70594- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L - Weakness
- CWE-384
- Updated
- 2026-11-02
OSV
Ghost: Session Fixation in Ghost Admin
Ghost is a Node.js content management system. From 2.2.0 until 6.54.1, Ghost Admin did not invalidate existing sessions on login which could have allowed for session fixation attacks. Successful exploitation would have required another vulnerability on the same domain where Ghost Admin was hosted. This issue is fixed in version 6.54.1.
- Record
CVE-2026-70594- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L - Weakness
- CWE-384
- Updated
- 2026-11-02
OSVGHSA-7mpp-r37j-x5wh
Ghost: Session Fixation in Ghost Admin
Impact
Ghost Admin did not invalidate existing sessions on login which could have allowed for session fixation attacks. Successful exploitation would have required another vulnerability on the same domain where Ghost Admin was hosted.
Vulnerable versions
This vulnerability is present in Ghost from v2.2.0 to v6.54.0.
Patches
v6.54.1 contains a fix for this issue.
How to update
For self-hosters using Docker, find Docker's official Ghost image here. Updating a Docker-based Ghost instance is documented here.
If your Ghost is a Ghost-CLI install see our documentation on updating it to the latest version here.
References
Ghost thanks meifukun for disclosing this vulnerability responsibly.
For more information
If you have any questions or comments about this advisory, email Ghost at [email protected].
- Record
GHSA-7mpp-r37j-x5wh- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L - Weakness
- CWE-384
- Updated
- 2026-11-02
OSVBIT-ghost-2026-70594 No score
Ghost: Session Fixation in Ghost Admin
Ghost is a Node.js content management system. From 2.2.0 until 6.54.1, Ghost Admin did not invalidate existing sessions on login which could have allowed for session fixation attacks. Successful exploitation would have required another vulnerability on the same domain where Ghost Admin was hosted. This issue is fixed in version 6.54.1.
- Record
BIT-ghost-2026-70594- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-70594 is a medium vulnerability (CVSS 6.7) in Tryghost Ghost, published August 4, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.24%, the 15th percentile. Fixed in ghost 6.54.1.
References
github.com/TryGhost/Ghost/security/advisories/GHSA-7mpp-r37j-x5wh
nvd.nist.gov/vuln/detail/CVE-2026-70594