What is CVE-2026-59817?

CVE-2026-59817 is a medium-severity vulnerability in Tryghost Ghost, classified under CWE-472. CVSS score: 5.3/10. Published 2026-07-09.

How severe is CVE-2026-59817?

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

Auth bypass in Tryghost Ghost

CVE-2026-59817

Ghost is a Node.js content management system. From 6.27.0 before 6.44.0, Ghost's public donation checkout flow allowed an unauthenticated attacker to control donation checkout metadata and obtain full paid gift memberships for a minimal pa…

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:N/I:L/A:N.

Affected products

Tryghost Ghost — versions >= 6.27.0, < 6.44.0

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-59817?: CVE-2026-59817 is a medium-severity vulnerability in Tryghost Ghost, classified under CWE-472. CVSS score: 5.3/10. Published 2026-07-09.
How severe is CVE-2026-59817?: Medium severity. CVSS v3 base score is 5.3 out of 10.