CVE-2026-70591

mediumCVSS 4.1covered by 1 sourcefirst seen 2026-08-04

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. Updating a Docker-based Ghost instance is documented here. If your Ghost is a Ghost-CLI install see our documentation on updating it to the latest version here. 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.

⚡ Watch CVE-2026-70591

Get an email if CVE-2026-70591 is added to CISA KEV, gains public exploit code, or a new advisory cites it — max one per day, one-click unsubscribe.

Advisory coverage (1)

mediumGHSA-gcvv-72q8-9v76: Ghost: Server-Side Request Forgery in Image Fetchingghsa · 2026-08-04

External references

NVD record for CVE-2026-70591

CVE.org record

Embed the live status

— this badge updates automatically when the KEV or exploit status changes. How to embed it →

[![CVE-2026-70591 status](https://www.csirts.com/badge/CVE-2026-70591)](https://www.csirts.com/cve/CVE-2026-70591)