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CVE

GHSA-9xg7-mwmp-xmjx

Ghost has Staff Token permission bypass
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CVE

GHSA-9xg7-mwmp-xmjx

Ghost has Staff Token permission bypass

Impact

A vulnerability in Ghost's handling of Staff Token authentication allowed certain endpoints to be accessed that were only intended to be accessible via Staff Session authentication. External systems that have been authenticated via Staff Tokens for Admin/Owner-role users would have had access to these endpoints. 

Vulnerable versions

This vulnerability is present in Ghost v5.121.0 to v5.130.5 to and Ghost v6.0.0 to v6.10.3.

Patches

v5.130.6 and v6.11.0 contain a fix for this issue.

References

Ghost thanks Sho Odagiri of GMO Cybersecurity by Ierae, Inc. for discovering and disclosing this vulnerability responsibly.

For more information

If there are any questions or comments about this advisory, email Ghost at 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
8.1
-
3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
C
H
U
-

Related Resources

No items found.

References

https://github.com/TryGhost/Ghost/security/advisories/GHSA-9xg7-mwmp-xmjx, https://nvd.nist.gov/vuln/detail/CVE-2026-22595, https://github.com/TryGhost/Ghost/commit/9513d2a35c21067127ce8192443d8919ddcefcc8, https://github.com/TryGhost/Ghost/commit/c3017f81a5387b253a7b8c1ba1959d430ee536a3, https://github.com/TryGhost/Ghost

Severity

8.1

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
8.1
EPSS Probability
0.00062%
EPSS Percentile
0.1971%
Introduced Version
6.0.0,5.105.0
Fix Available
6.11.0,5.130.6

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