Answer in brief
CVE-2026-103287 records a Medium severity (CVSS 5.1) vulnerability in Ghost 1.18.0 before 6.27.0 Server-Side Request Forgery via Webhook. The current sources do not mark it as known exploited. The current feed maps TryGhost/Ghost (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 5.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps TryGhost/Ghost (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| TryGhost/Ghostgeneric | >=1.18.0 <6.27.0 | 6.27.0 |
Published upstream
Oct 1, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 1, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Oct 1, 2026
Ghost versions 1.18.0 before 6.27.0 contain a server-side request forgery vulnerability in the webhooks feature that allows staff users to probe internal hosts. Attackers with staff privileges can craft webhook requests to access internal network resources from the Ghost server.
Quoted source text, attributed separately from HOL analysis.