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BIT-ghost-2026-70591 — Ghost: Server-Side Request Forgery in Image Fetching

Affected: Bitnami: ghost

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.

EUVD-2026-348541

fkie_cve-2026-70591

GHSA-gcvv-72q8-9v76 — Ghost: Server-Side Request Forgery in Image Fetching

Affected: npm: ghost

### Impact

A Server-Side Request Forgery (SSRF) in Ghost Admin 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.

### Vulnerable versions

This vulnerability is present in Ghost from v0.10.0 up to v6.54.0.

### Patches

v6.54.1 contains a fix for this issue.

### How to update

For self-hosters using Docker, find [Docker's official Ghost image here](https://hub.docker.com/_/ghost). Updating a Docker-based Ghost instance [is documented here](https://docs.ghost.org/install/docker#updating-ghost).

If your Ghost is a Ghost-CLI install see our documentation on [updating it to the latest version here](https://docs.ghost.org/update).

### References

Ghost thanks Younghun Ko, vx77, and Miguel Segovia Gil for disclosing this vulnerability responsibly.

### For more information

If you have any questions or comments about this advisory, email Ghost at [security@ghost.org](mailto:security@ghost.org).