CVE-2026-103287
Ghost 1.18.0 before 6.27.0 Server-Side Request Forgery via Webhook
- State
- Published
- Severity
- 5.1 Medium
- Published
- Oct 1, 2026
- Updated
- Oct 6, 2026
- Reserved
- Sep 30, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.1 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 2.7 Low | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N | VulnCheck |
Weaknesses
- CWE-918 Server-Side Request Forgery (SSRF)
Affected Products
| Product | Versions |
|---|---|
GhostTryGhost |
|
References
- GitHub Security Advisory (GHSA-354h-gmhv-mr9c)vendor-advisory
- VulnCheck Advisory: Ghost 1.18.0 before 6.27.0 Server-Side Request Forgery via Webhookthird-party-advisory
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