What is GHSA-x8f4-ghf2-wcmp?

GHSA-x8f4-ghf2-wcmp is a security advisory published by GitHub Security Advisories with Medium severity. Ghost versions from 3.20.2 before 6.51.0 contain a server-side request forgery vulnerability in...

Which CVE IDs does GHSA-x8f4-ghf2-wcmp cover?

GHSA-x8f4-ghf2-wcmp covers the following CVE IDs: CVE-2026-103291. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-x8f4-ghf2-wcmp?

GHSA-x8f4-ghf2-wcmp has a CVSS v3 base score of 6.4, published by GitHub Security Advisories.

GHSA-x8f4-ghf2-wcmpMediumCVSS 6.4

Ghost versions from 3.20.2 before 6.51.0 contain a server-side request forgery vulnerability in...

Vendor

GitHub Security Advisories

Published

October 1, 2026

Last Modified

October 1, 2026

🔗 CVE IDs covered (1)

CVE-2026-103291 →

📋 Description

Ghost versions from 3.20.2 before 6.51.0 contain a server-side request forgery vulnerability in image dimension refetching that allows authenticated staff users to trigger outbound HTTP requests to arbitrary URLs. Attackers can point image cards at attacker-controlled hosts or internal network endpoints to access metadata services and internal resources unavailable from the public internet.

🔗 References (4)

https://github.com/TryGhost/Ghost/security/advisories/GHSA-rrq6-9r3c-7w26
https://nvd.nist.gov/vuln/detail/CVE-2026-103291
https://www.vulncheck.com/advisories/ghost-3.20.2-before-6.51.0-ssrf-via-image-size-fetch
https://github.com/advisories/GHSA-x8f4-ghf2-wcmp