Ghost 0.5.0 before 6.64.0 does not correctly restrict staff role assignment, allowing users with the Editor or Super Editor role to assign their own role to other staff despite lacking permission to do so. An authenticated Editor or Super Editor can promote Author and Contributor users to Editor or Super Editor.
CVE-2026-104412
Score 4.3 from GitHub Security Advisory published 2026-10-02. A secondary CVSS source baseline 4.3; sources differ by 0.0.
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 4.3
- EG Score
- 4.3MEDIUMhigh confidence
- EG Risk
- 24EG Risk 24/100CISA SSVC
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity43% × 45%Exploitation0% × 40%Automatability30% × 15%CISA SSVC: Track at low or medium mission impact; Track or Attend at high (mission-essential systems).Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high. - EPSS PROB
- 0.2%
- EPSS %ILE
- 8th
- KEV
- Not listed
CISA SSVCTrack at low or medium mission impact; Track or Attend at high (mission-essential systems).
A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table
Published
October 2, 2026
Last Modified
October 2, 2026
Advisory Details (2)
Auto-updated Oct 2, 2026Ghost 0.5.0 before 6.64.0 Privilege Escalation via Staff Role Assignment | Advisories | VulnCheck
https://www.vulncheck.com/advisories/ghost-0.5.0-before-6.64.0-privilege-escalation-via-staff-role-assignmentEditors Could Promote Staff Users to Their Own Role · Advisory · TryGhost/Ghost · GitHub
https://github.com/TryGhost/Ghost/security/advisories/GHSA-4pvx-fwjj-8gpcVendor Advisories for CVE-2026-104412(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 11× in last 7d / 11× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-10-03 18:32 UTCEG score recompute
- 2026-10-03 18:32 UTCGHSA enrichment
- 2026-10-03 14:25 UTCEPSS rescore
- 2026-10-02 18:15 UTCGHSA enrichment
- 2026-10-02 18:15 UTCEG score recompute
- 2026-10-02 18:15 UTCGHSA enrichment
- 2026-10-02 18:14 UTCGHSA enrichment
- 2026-10-02 18:14 UTCGHSA enrichment
- 2026-10-02 12:24 UTCEG score recompute
- 2026-10-02 11:49 UTCEG score recompute
- 2026-10-02 11:45 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Frequently asked(5)
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Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-104412
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