CVE-2026-103280 Ghost 0.8.0 before 6.23.0 Information Disclosure via Setup Endpoint
Unauthenticated attackers can obtain the site owner's email address via the setup endpoint, exposing sensitive user data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-103280?
CVE-2026-103280 is a medium-severity vulnerability in TryGhost Ghost, published on 1 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Ghost from version 0.8.0 before 6.23.0 contains an information disclosure vulnerability in its setup endpoint: the endpoint responds to unauthenticated requests with the site owner's email address, allowing any remote visitor to obtain it.
Weakness: CWE-201
Which versions are affected by CVE-2026-103280?
1 open source package ship an affected version, including ghost.
| Package | Affected | Fixed in |
|---|---|---|
ghost Bitnami | From 0.8.0 | 6.23.0 |
How do I fix CVE-2026-103280?
Upgrade ghost to 6.23.0 or later.
Is CVE-2026-103280 being exploited?
There is no known exploitation of CVE-2026-103280 in the wild and no public exploit code.
Sources
Also known as BIT-ghost-2026-103280, GHSA-5685-hwm9-62cg, GHSA-hj3g-fppx-9pv5.