CVE-2026-103274: Ghost 5.3.0 before 6.58.0 Unauthenticated Comment Read

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-01 · updated 2026-10-01
Weakness: CWE-862

Description

Ghost versions 5.3.0 before 6.58.0 fail to properly enforce access controls on comments in private mode. Unauthenticated visitors can read comments that should be restricted, bypassing privacy settings.

Affected products

TryGhost Ghost: from 5.3.0 before 6.58.0 — fixed in 6.58.0

How to fix

Upgrade to a fixed version: TryGhost Ghost 6.58.0. Check the vendor advisory for mitigations.

References

https://github.com/TryGhost/Ghost/security/advisories/GHSA-5ppm-p957-x46r
https://www.vulncheck.com/advisories/ghost-5.3.0-before-6.58.0-unauthenticated-comment-read

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