Vulnerability · Published Aug 4, 2026 · Assigned by GitHub_M

CVE-2026-70591Ghost: Server-Side Request Forgery in Image Fetching

Medium 4.1

In plain English

A medium-severity server-side request forgery 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 0.4% (higher than 31% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.1Medium

Exploit odds (30 days)0.4%top 69.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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 returned, but this could have been used to probe open ports on internal hosts. This issue is fixed in version 6.54.1.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
npm	ghost	6.54.1	GHSA-gcvv-72q8-9v76

Affected products (as reported)

Vendor	Product	Versions
TryGhost	Ghost	>= 0.10.0, < 6.54.1

Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N

References

https://github.com/TryGhost/Ghost/security/advisories/GHSA-gcvv-72q8-9v76 x_refsource_CONFIRM
https://github.com/TryGhost/Ghost/commit/5eff2de0f477b11c88f20bceb9d184c0d3b8a62e x_refsource_MISC
https://github.com/TryGhost/Ghost/releases/tag/v6.54.1 x_refsource_MISC