CVE-2026-105675: Ghost: Invite Token Disclosure in Ghost Admin API

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-05 · updated 2026-10-06
Weakness: CWE-203

Description

Ghost is a Node.js content management system. From 4.39.0 until 6.64.0, staff users with permission to view staff invites were able to discover the secret token of pending invites, including invites for roles with higher privileges than their own. This could allow a staff user to escalate their privileges by accepting a pending invite. This issue is fixed in version 6.64.0.

Affected products

TryGhost Ghost: from 4.39.0, < 6.64.0

References

https://github.com/TryGhost/Ghost/commit/4fb587e4d49667f929b87f7d6a873ae5e9cc087f
https://github.com/TryGhost/Ghost/pull/30760
https://github.com/TryGhost/Ghost/releases/tag/v6.64.0
https://github.com/TryGhost/Ghost/security/advisories/GHSA-v6q3-xqxm-6f5v

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