Vulnerability · Published Oct 2, 2026 · Assigned by VulnCheck
CVE-2026-104416Ghost 4.39.0 before 6.64.0 Invite Token Disclosure via Admin API
High 7.5
In plain English
A high-severity security flaw in Ghost from TryGhost. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.3%top 76.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | ghost | 6.64.0 | GHSA-v6q3-xqxm-6f5v |
Affected products (as reported)
Weakness: CWE-203 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- GitHub Security Advisory (GHSA-v6q3-xqxm-6f5v) vendor-advisory
- VulnCheck Advisory: Ghost 4.39.0 before 6.64.0 Invite Token Disclosure via Admin API third-party-advisory