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CVE

CVE-2026-29784

Ghost has incomplete CSRF protections around OTC use
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CVE

CVE-2026-29784

Ghost has incomplete CSRF protections around OTC use

Impact

Incomplete CSRF protections around /session/verify made it possible to use OTCs in login sessions different from the requesting session. In some scenarios this might have made it easier for phishers to take over a Ghost site. 

Vulnerable versions

This vulnerability is present in Ghost from v5.101.6 up to v6.19.2.

Patches

v6.19.3 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 a project's Ghost is a Ghost-CLI install see the documentation on updating it to the latest version here. 

For more information

If there are any questions or comments about this advisory, send an email to security@ghost.org.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
7.5
-
3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
C
H
U
7.5
-
3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Related Resources

No items found.

References

https://github.com/TryGhost/Ghost/security/advisories/GHSA-9m84-wc28-w895, https://nvd.nist.gov/vuln/detail/CVE-2026-29784, https://github.com/TryGhost/Ghost/commit/ec065a774fa125953d2aa644a59cd8990329e0a0, https://github.com/TryGhost/Ghost

Severity

7.5

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
7.5
EPSS Probability
0.00025%
EPSS Percentile
0.07298%
Introduced Version
5.101.6,5.115.1
Fix Available
6.19.3

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