What is CVE-2026-53949?

CVE-2026-53949 is a medium-severity vulnerability in Tryghost Ghost, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-06-24.

How severe is CVE-2026-53949?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Information disclosure in Tryghost Ghost

CVE-2026-53949

Ghost is a Node.js content management system. From 5.46.1 until 6.21.2, the validation applied to filters on the public API endpoints could be partially bypassed, making it possible to reveal private fields via a brute force attack. If SQL…

Vulnerability class: Information Disclosure

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Tryghost Ghost — versions >= 5.46.1, < 6.21.2

Weakness classification (CWE)

CWE-200 — Information Disclosure
CWE-693 — Protection Mechanism Failure

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-53949?: CVE-2026-53949 is a medium-severity vulnerability in Tryghost Ghost, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-06-24.
How severe is CVE-2026-53949?: Medium severity. CVSS v3 base score is 5.3 out of 10.