Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-106560— Backstage: Improper repository path validation in a Scaffolder backend module

Quick assessment

Affected
backstage backstage
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.

Backstage 是用于构建开发者门户的开源框架。在 0.3.25 版本之前，@backstage/plugin-scaffolder-backend-module-confluence-to-markdown 软件包存在一个问题：在 Scaffolder 后端模块中，对仓库路径的验证不当。经过身份验证且能够执行受影响模板并控制其仓库文件位置的用户，可能导致生成的内容被写入任务工作区之外、且可由 Backstage 后端进程写入的其他位置。该问题已在 0.3.25 版本中修复。

CVSS 7.1 · High
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-106560

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Backstage: Improper repository path validation in a Scaffolder backend module
Source: CVE Program / CVE List V5
Vulnerability Description
Backstage is an open framework for building developer portals. Prior to 0.3.25, the @backstage/plugin-scaffolder-backend-module-confluence-to-markdown package is affected by improper repository path validation in a scaffolder backend module. An authenticated user who can execute an affected template and control its repository file location may cause generated content to be written outside the task workspace, within locations writable by the Backstage backend process. This issue is fixed in version 0.3.25.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/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

Affected Products

Vendor Product Affected Versions CPE Subscribe
backstage backstage < 1.54.6 -
@backstage plugin-scaffolder-backend-module-confluence-to-markdown < 0.3.25 -

II. Public POCs for CVE-2026-106560

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-106560

请登录查看更多情报信息。

Vendor Pages for CVE-2026-106560 (1)

Other References for CVE-2026-106560 (2)

Same Patch Batch · backstage · 2026-10-07 · 8 CVEs total

CVE-2026-106558 8.8 HIGH Backstage: Improper validation of TechDocs MkDocs configuration
CVE-2026-106510 7.7 HIGH Backstage: Remote code execution via crafted markdown_extensions in TechDocs mkdocs.yml
CVE-2026-106556 7.7 HIGH Backstage: Configuration bypass in TechDocs mkdocs.yml sanitization
CVE-2026-106559 6.3 MEDIUM Backstage: Improper input validation in Confluence to Markdown scaffolder module
CVE-2026-106563 5.3 MEDIUM Backstage: Improper entity validation in deprecated Kubernetes services endpoint
CVE-2026-106561 5.0 MEDIUM Backstage: Sensitive information disclosure in Kubernetes resource queries
CVE-2026-106562 4.3 MEDIUM Backstage: Incorrect authorization in search engine permission filtering

IV. Related Vulnerabilities

Same product: backstage
Same vendor: backstage
Same weakness: CWE-22

V. Comments for CVE-2026-106560

No comments yet

Leave a comment