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CVE-2026-70591— Ghost: Server-Side Request Forgery in Image Fetching

Quick assessment

Affected
TryGhost Ghost
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TryGhost Ghost是TryGhost组织开源的一个专注内容发布的托管平台。 TryGhost Ghost 0.10.0版本至6.54.1之前版本存在服务端请求伪造漏洞，该漏洞源于Ghost Admin图像获取功能存在服务端请求伪造，可能导致员工级用户对内部主机发起盲HTTP GET请求，从而探测内部主机开放端口。

CVSS 4.1 · Medium EPSS 0.37% · P28

Affected Version Matrix 1

VendorProduct Version RangeStatus
TryGhost Ghost >= 0.10.0, < 6.54.1 affected
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I. Basic Information for CVE-2026-70591

Vulnerability Information
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Vulnerability Title
Ghost: Server-Side Request Forgery in Image Fetching
Source: CVE Program / CVE List V5
Vulnerability Description
Ghost is a Node.js content management system. From 0.10.0 until 6.54.1, a Server-Side Request Forgery in Ghost Admin image fetching allowed any staff-level user to perform a blind HTTP GET request against internal hosts. No output was returned, but this could have been used to probe open ports on internal hosts. This issue is fixed in version 6.54.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
TryGhost Ghost 服务端请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TryGhost Ghost是TryGhost组织开源的一个专注内容发布的托管平台。 TryGhost Ghost 0.10.0版本至6.54.1之前版本存在服务端请求伪造漏洞，该漏洞源于Ghost Admin图像获取功能存在服务端请求伪造，可能导致员工级用户对内部主机发起盲HTTP GET请求，从而探测内部主机开放端口。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
TryGhost Ghost >= 0.10.0, < 6.54.1 -

II. Public POCs for CVE-2026-70591

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III. Intelligence Information for CVE-2026-70591

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Patches & Fixes for CVE-2026-70591 (1)

Vendor Advisories for CVE-2026-70591 (1)

Same Patch Batch · TryGhost · 2026-08-04 · 7 CVEs total

CVE-2026-70594 6.7 MEDIUM Ghost: Session Fixation in Ghost Admin
CVE-2026-70593 6.6 MEDIUM Ghost: Theme Upload Path Traversal
CVE-2026-70592 5.5 MEDIUM Ghost: Database Backup Path Traversal
CVE-2026-70588 5.0 MEDIUM Ghost: Cross-Site Scripting in Universal Import
CVE-2026-70589 4.8 MEDIUM Ghost: Archived Offers can be Redeemed
CVE-2026-70590 4.8 MEDIUM Ghost: Blind Password Hash Disclosure in Ghost Admin API

IV. Related Vulnerabilities

Same product: Ghost
Same vendor: TryGhost
Same weakness: CWE-918

V. Comments for CVE-2026-70591

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