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CVE-2026-70593— Ghost: Theme Upload Path Traversal

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之前版本存在路径遍历漏洞，该漏洞源于自定义主题上传路径在LocalStorageBase及主题存储名称处理中存在路径遍历问题，导致员工用户可在上传目录之外写入文件，从而改变安装行为。

CVSS 6.6 · Medium EPSS 0.41% · P33

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-2026-70593

Vulnerability Information
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Vulnerability Title
Ghost: Theme Upload Path Traversal
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 vulnerability in custom themes allowed a staff user to write files outside of the uploads directory. This could be used to alter the behavior of the installation through custom theme upload path traversal in LocalStorageBase and theme storage name handling. This issue is fixed in version 6.54.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
TryGhost Ghost 路径遍历漏洞
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之前版本存在路径遍历漏洞，该漏洞源于自定义主题上传路径在LocalStorageBase及主题存储名称处理中存在路径遍历问题，导致员工用户可在上传目录之外写入文件，从而改变安装行为。
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-2026-70593

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III. Intelligence Information for CVE-2026-70593

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Patches & Fixes for CVE-2026-70593 (1)

Vendor Advisories for CVE-2026-70593 (1)

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

CVE-2026-70594 6.7 MEDIUM Ghost: Session Fixation in Ghost Admin
CVE-2026-70592 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
CVE-2026-70591 4.1 MEDIUM Ghost: Server-Side Request Forgery in Image Fetching

IV. Related Vulnerabilities

Same product: Ghost
Same vendor: TryGhost
Same weakness: CWE-22

V. Comments for CVE-2026-70593

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