High severity · published Oct 2, 2026
CVE-2026-104416
Ghost 4.39.0 before 6.64.0 Invite Token Disclosure via Admin API
7.5
CVSS
0.3%
EPSS
No
On KEV
Description
Ghost from 4.39.0 before 6.64.0 contains an information disclosure vulnerability in the Admin API that allows staff users to view secret tokens of pending staff invites. Staff users with invite viewing permission can accept pending invites for higher-privileged roles to escalate their privileges.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 23% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GH
Ghost · TryGhost
4.39.0 before 6.64.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-104416
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-104416
vendor-advisory
https://github.com/TryGhost/Ghost/security/advisories/GHSA-v6q3-xqxm-6f5v
third-party-advisory
https://www.vulncheck.com/advisories/ghost-4.39.0-before-6.64.0-invite-token-disclosure-via-admin-api
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