CVE-2026-70591: CWE-918: Server-Side Request Forgery (SSRF) in TryGhost Ghost
A Server-Side Request Forgery (SSRF) vulnerability exists in TryGhost Ghost versions from 0.10.0 up to but not including 6.54.1. This flaw allows any staff-level user to perform blind HTTP GET requests to internal hosts via the Ghost Admin image fetching functionality. Although no response data is returned, the vulnerability could be used to probe internal network ports. The issue is resolved in version 6.54.1.
AI Analysis
Technical Summary
Ghost, a Node.js content management system, contains a SSRF vulnerability (CWE-918) in its Admin image fetching feature affecting versions >=0.10.0 <6.54.1. This vulnerability permits authenticated staff-level users to initiate blind HTTP GET requests to internal hosts, potentially enabling internal network reconnaissance. No data is returned from these requests, limiting direct information disclosure. The vulnerability is fixed in version 6.54.1.
Potential Impact
An attacker with staff-level privileges can leverage this SSRF vulnerability to perform blind HTTP GET requests against internal hosts, which may allow them to probe open ports and gather information about internal network infrastructure. There is no direct data leakage or integrity impact reported. Availability is unaffected.
Mitigation Recommendations
Upgrade Ghost to version 6.54.1 or later where this SSRF vulnerability is fixed. No other official remediation or temporary fixes are indicated. Patch status is confirmed by the vendor advisory stating the fix is in 6.54.1.
CVE-2026-70591: CWE-918: Server-Side Request Forgery (SSRF) in TryGhost Ghost
Description
A Server-Side Request Forgery (SSRF) vulnerability exists in TryGhost Ghost versions from 0.10.0 up to but not including 6.54.1. This flaw allows any staff-level user to perform blind HTTP GET requests to internal hosts via the Ghost Admin image fetching functionality. Although no response data is returned, the vulnerability could be used to probe internal network ports. The issue is resolved in version 6.54.1.
CVSS v3.1
Score 4.1medium
Affected software
TryGhost
Ghost
pkg:github/tryghost/GhostRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Ghost, a Node.js content management system, contains a SSRF vulnerability (CWE-918) in its Admin image fetching feature affecting versions >=0.10.0 <6.54.1. This vulnerability permits authenticated staff-level users to initiate blind HTTP GET requests to internal hosts, potentially enabling internal network reconnaissance. No data is returned from these requests, limiting direct information disclosure. The vulnerability is fixed in version 6.54.1.
Potential Impact
An attacker with staff-level privileges can leverage this SSRF vulnerability to perform blind HTTP GET requests against internal hosts, which may allow them to probe open ports and gather information about internal network infrastructure. There is no direct data leakage or integrity impact reported. Availability is unaffected.
Mitigation Recommendations
Upgrade Ghost to version 6.54.1 or later where this SSRF vulnerability is fixed. No other official remediation or temporary fixes are indicated. Patch status is confirmed by the vendor advisory stating the fix is in 6.54.1.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-08-04T19:50:27.327Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a7331b6bf8831d539e5606c
Added to database: 08/05/2026, 12:51:02 UTC
Last enriched: 08/12/2026, 15:51:28 UTC
Last updated: 09/18/2026, 22:01:37 UTC
Views: 90
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