What is CVE-2026-70591?

CVE-2026-70591 is a medium-severity vulnerability in Tryghost Ghost, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.1/10. Published 2026-08-04.

How severe is CVE-2026-70591?

Medium severity. CVSS v3 base score is 4.1 out of 10.

SSRF in Tryghost Ghost

CVE-2026-70591

Ghost is a Node.js content management system. From 0.10.0 until 6.54.1, a Server-Side Request Forgery in Ghost Admin image fetching allowed any staff-level user to perform a blind HTTP GET request against internal hosts. No output was retu…

Vulnerability class: SSRF (Server-Side Request Forgery)

CVSS v3 metric

CVSS v3 base score 4.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N.

Affected products

Tryghost Ghost — versions >= 0.10.0, < 6.54.1

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

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

Frequently asked questions

What is CVE-2026-70591?: CVE-2026-70591 is a medium-severity vulnerability in Tryghost Ghost, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.1/10. Published 2026-08-04.
How severe is CVE-2026-70591?: Medium severity. CVSS v3 base score is 4.1 out of 10.