CVE-2026-103287

LOW 2.7

Ghost 1.18.0 before 6.27.0 Server-Side Request Forgery via Webhook

CVSS Score

2.7

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-918
Vendor	tryghost
Product	ghost
Published	Oct 1, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Affected Versions

TryGhost / Ghost

1.18.0 < 6.27.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/TryGhost/Ghost/security/advisories/GHSA-354h-gmhv-mr9c vulncheck.com: https://www.vulncheck.com/advisories/ghost-1.18.0-before-6.27.0-server-side-request-forgery-via-webhook

Credits

🔍 0xkakash1 🔍 0xBassia 🔍 l3tchupkt 🔍 rooks00 🔍 Wernerina