Is CVE-2026-104416 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-104416 being exploited in the wild.

How severe is CVE-2026-104416?

High severity, with a CVSS score of 7.5, published 2 October 2026.

Which products and versions are affected?

ghost (npm) SEMVER:introduced=4.39.0,fixed=6.64.0; TryGhost Ghost 4.39.0 before 6.64.0.

Is there a fix for CVE-2026-104416?

Yes. ghost (npm): upgrade to 6.64.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-104416 attacked?

It is attacked over the network, in a web application.

Am I affected by CVE-2026-104416?

Check whether you run ghost (npm) or TryGhost Ghost at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-104416: Ghost information disclosure in Admin API invite tokens

CVE-2026-104416 · Severity: high · CVSS 7.5 · Published 2026-10-02

Ghost is a blogging platform with an admin interface for managing site staff. A vulnerability in versions 4.39.0 to 6.63.x allows staff members with invite management permissions to view secret invitation tokens meant only for higher-level staff, enabling them to claim those invitations and escalate their own privileges on the platform.

Technologies: ghost (npm), TryGhost Ghost. Vendors: npm, TryGhost.

Quick answers

Is CVE-2026-104416 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-104416 being exploited in the wild.
How severe is CVE-2026-104416?: High severity, with a CVSS score of 7.5, published 2 October 2026.
Which products and versions are affected?: ghost (npm) SEMVER:introduced=4.39.0,fixed=6.64.0; TryGhost Ghost 4.39.0 before 6.64.0.
Is there a fix for CVE-2026-104416?: Yes. ghost (npm): upgrade to 6.64.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-104416 attacked?: It is attacked over the network, in a web application.
Am I affected by CVE-2026-104416?: Check whether you run ghost (npm) or TryGhost Ghost at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

ghost (npm): upgrade to 6.64.0 or later
```
npm install ghost@6.64.0
```

Technical details

The Admin API fails to properly restrict access to invitation tokens for pending staff invites. Staff users with permission to view invites can retrieve the secret tokens associated with higher-privilege role invitations, allowing privilege escalation via the invite acceptance endpoint. The vulnerability is present in Ghost 4.39.0 through 6.63.x and requires staff-level access with invite viewing permissions to exploit.

Affected products

TryGhost Ghost 4.39.0 before 6.64.0

Identifiers

CVE-2026-104416
CVE-2026-105675
GHSA-v6q3-xqxm-6f5v

Timeline

2026-09-17: disclosed
2026-10-02: advisory
2026-09-17: patched: Version 6.64.0 released with fix

References

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