Vulnerability · Published Oct 1, 2026 · Assigned by VulnCheck

CVE-2026-103281Ghost 3.23.0 before 6.23.0 API Key Exposure via Admin API

Medium 5.4

In plain English

A medium-severity security flaw in Ghost from TryGhost. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities).

Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.2%top 95.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Ghost (npm package 'ghost') versions from 3.23.0 up to, but not including, 6.23.0 expose API keys to users with low-privilege staff accounts. An authenticated low-privilege staff user can read API keys returned by the Admin API, which are intended to be available only to higher-privileged users.

Affected products (as reported)

VendorProductVersions
TryGhost Ghost 3.23.0 – before 6.23.0

Weakness: CWE-201 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

References