Ghost 3.20.2 before 6.51.0 SSRF via image-size fetch
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.
CVE-2026-103291
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-103291
Ghost
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "TryGhost",
"product": "Ghost",
"versions": [
{
"status": "affected",
"version": "3.20.2",
"lessThan": "6.51.0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.51.0",
"versionType": "semver"
}
],
"packageURL": "pkg:npm/ghost",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-103291
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #8977 · Revision 1
- Added to Heist Feed
- Publisher date