Vulnerability · Published Oct 1, 2026 · Assigned by VulnCheck
CVE-2026-103287Ghost 1.18.0 before 6.27.0 Server-Side Request Forgery via Webhook
Low 2.7
In plain English
A low-severity server-side request forgery in Ghost from TryGhost. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)2.7Low
Exploit odds (30 days)0.2%top 89.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | ghost | 6.27.0 | GHSA-354h-gmhv-mr9c |
Affected products (as reported)
Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
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 Webhook third-party-advisory