Ghost 2.21.0 before 6.56.0 Privilege Escalation via Notifications
Ghost versions from 2.21.0 before 6.56.0 contain a privilege escalation vulnerability in the notifications system that allows low-privilege staff users to escalate to higher-privilege staff roles. Attackers with low-privilege staff access can exploit the notifications system to gain elevated privileges without proper authorization checks.
CVE-2026-103286
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-2026-103286
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": "2.21.0",
"lessThan": "6.56.0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.56.0",
"versionType": "semver"
}
],
"packageURL": "pkg:npm/ghost",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-103286
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #5624 · Revision 1
- Added to Heist Feed
- Publisher date