CVE-2026-70595: CWE-918: Server-Side Request Forgery (SSRF) in TryGhost Ghost
Ghost, a Node.js content management system, has a server-side request forgery (SSRF) vulnerability affecting versions from 6.26.0 up to but not including 6.54.1. This flaw allowed unauthenticated users to abuse certain functionality, such as Webmentions, to make limited HTTP requests to internal hosts on the Ghost server's network. The vulnerability does not expose response data to the attacker. The issue is fixed in version 6.54.1.
AI Analysis
Technical Summary
CVE-2026-70595 is a server-side request forgery (SSRF) vulnerability in Ghost CMS versions >=6.26.0 and <6.54.1. Due to a validation issue, unauthenticated attackers could leverage features like Webmentions to send HTTP requests to internal network hosts of the Ghost server. Although the attacker cannot retrieve response data, this behavior could potentially be used to probe internal services. The vulnerability has been resolved in Ghost version 6.54.1.
Potential Impact
An unauthenticated attacker can make limited HTTP requests from the Ghost server to internal network hosts, potentially allowing internal network scanning or interaction with internal services. No response data is returned to the attacker, limiting the impact. There is no indication of data disclosure or service disruption from this vulnerability.
Mitigation Recommendations
Upgrade Ghost to version 6.54.1 or later, where this SSRF vulnerability is fixed. No other mitigations are indicated or necessary according to the vendor advisory.
CVE-2026-70595: CWE-918: Server-Side Request Forgery (SSRF) in TryGhost Ghost
Description
Ghost, a Node.js content management system, has a server-side request forgery (SSRF) vulnerability affecting versions from 6.26.0 up to but not including 6.54.1. This flaw allowed unauthenticated users to abuse certain functionality, such as Webmentions, to make limited HTTP requests to internal hosts on the Ghost server's network. The vulnerability does not expose response data to the attacker. The issue is fixed in version 6.54.1.
CVSS v3.1
Score 4.0medium
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-70595 is a server-side request forgery (SSRF) vulnerability in Ghost CMS versions >=6.26.0 and <6.54.1. Due to a validation issue, unauthenticated attackers could leverage features like Webmentions to send HTTP requests to internal network hosts of the Ghost server. Although the attacker cannot retrieve response data, this behavior could potentially be used to probe internal services. The vulnerability has been resolved in Ghost version 6.54.1.
Potential Impact
An unauthenticated attacker can make limited HTTP requests from the Ghost server to internal network hosts, potentially allowing internal network scanning or interaction with internal services. No response data is returned to the attacker, limiting the impact. There is no indication of data disclosure or service disruption from this vulnerability.
Mitigation Recommendations
Upgrade Ghost to version 6.54.1 or later, where this SSRF vulnerability is fixed. No other mitigations are indicated or necessary according to the vendor advisory.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-x5mm-wm4g-j5xv
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-70595"]
- Ecosystems
- ["npm"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
Threat ID: 6a73572cbf8831d53913cb27
Added to database: 08/05/2026, 15:30:52 UTC
Last enriched: 08/13/2026, 13:00:56 UTC
Last updated: 09/18/2026, 22:01:37 UTC
Views: 37
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