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CVE-2026-129162— Dromara free-fs 2.0.1 through 2.3.1 Missing Authentication via File Stream Preview

Quick assessment

Affected
dromara free-fs
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.

Dromara free-fs 2.0.1 至 2.3.1 版本中存在一个认证缺失漏洞，位于 接口中。该漏洞允许未经身份验证的攻击者下载已存储的文件。如果攻击者通过共享列表或预览链接获取到文件 ID，即可请求 端点，从而下载任意用户或工作区的文件。

CVSS 5.9 · Medium EPSS 0.42% · P37

Affected Version Matrix 1

VendorProduct Version RangeStatus
dromara free-fs 2.0.1≤ 2.3.1 affected
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I. Basic Information for CVE-2026-129162

Vulnerability Information
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Vulnerability Title
Dromara free-fs 2.0.1 through 2.3.1 Missing Authentication via File Stream Preview
Source: CVE Program / CVE List V5
Vulnerability Description
Dromara free-fs 2.0.1 through 2.3.1 contains a missing authentication vulnerability in FileStreamController.preview that allows unauthenticated attackers to download stored files. Attackers who obtain a file ID from share listings or preview links can request /api/file/stream/preview/{fileId} to download any user's or workspace's files.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
dromara free-fs 2.0.1 ~ 2.3.1 -

II. Public POCs for CVE-2026-129162

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-129162

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Patches & Fixes for CVE-2026-129162 (2)

Other References for CVE-2026-129162 (2)

Other References for CVE-2026-129162 (1)

Same Patch Batch · dromara · 2026-11-13 · 5 CVEs total

CVE-2026-129161 7.4 HIGH Dromara free-fs 2.0.1 through 2.3.1 Password Reset Code Brute-Force Account Takeover
CVE-2026-129160 6.5 MEDIUM Dromara free-fs 2.0.1 through 2.3.1 SQL Injection via orderBy Parameter
CVE-2026-129164 5.9 MEDIUM Dromara free-fs 2.0.1 through 2.3.1 Share Code and Permission Scope Bypass
CVE-2026-129163 5.4 MEDIUM Dromara free-fs 2.0.1 through 2.3.1 Stored XSS via File Preview Endpoint

IV. Related Vulnerabilities

Same product: free-fs
Same vendor: dromara
Same weakness: CWE-306