CVE-2026-104416 Ghost - Broken Access Control

Ghost >4.39.0 and <6.64.0 contains an information disclosure and privilege escalation vulnerability caused by improper access control in the Admin API, letting staff users view secret tokens and escalate privileges by accepting pending invites, exploit requires staff user with invite viewing permission.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.31% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Information Disclosure, Privilege Escalation
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2 October 2026
Updated
15 October 2026
Weakness
CWE-203

Vendor fix

Upgrade to version 6.64.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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