Is CVE-2026-103286 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-103286 being exploited in the wild.

How severe is CVE-2026-103286?

High severity, with a CVSS score of 7.3, published 1 October 2026.

Is there a fix for CVE-2026-103286?

Yes: fixed in Ghost 6.56.0. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-103286 attacked?

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

Am I affected by CVE-2026-103286?

Check whether you run 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-2026-103286: Ghost privilege escalation in notifications system

CVE-2026-103286 · Severity: high · CVSS 7.3 · Published 2026-10-01

Ghost is a content management platform used by publishers to create and manage websites and newsletters. A flaw in the notifications system allows staff members with low-level access to illegally gain higher-level permissions, potentially enabling them to access sensitive content, modify site settings, or compromise other user accounts.

Technologies: Ghost. Vendors: Ghost.

Quick answers

Is CVE-2026-103286 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-103286 being exploited in the wild.
How severe is CVE-2026-103286?: High severity, with a CVSS score of 7.3, published 1 October 2026.
Which products and versions are affected?: Ghost 2.21.0 to before 6.56.0.
Is there a fix for CVE-2026-103286?: Yes: fixed in Ghost 6.56.0. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-103286 attacked?: It is attacked over the network, in a web application.
Am I affected by CVE-2026-103286?: Check whether you run 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

Fixed in: Ghost 6.56.0

Technical details

Ghost versions 2.21.0 through 6.55.x contain an incorrect privilege assignment vulnerability in the notifications system (CWE-266). The vulnerability allows an authenticated low-privilege staff user to escalate to higher-privilege staff roles through the notifications system without proper authorization checks. Exploitation requires network access, low staff privileges, and user interaction, and is fixed in Ghost v6.56.0.

Affected products

Ghost Ghost 2.21.0 to before 6.56.0

Timeline

2026-08-11: disclosed
2026-10-01: advisory
2026-08-11: patched

References

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