CVE-2026-103280

Medium

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.

SeverityMedium

CVSS5.3

Exploit probability—

Product

Ghost

PublishedOct 1, 2026

First seenOct 1, 2026

Weakness typeCWE-201CWE-201

How to fix

Update

TryGhost Ghost6.23.0 or later

Vendor advisories

github.com/TryGhost/Ghost/security/advisories/GHSA-5685-hwm9-62cg

Affected products

Product	Affected versions	Fixed in
TryGhost Ghost	0.8.0 ≤ v < 6.23.0	6.23.0

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.