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CVE-2026-103398— OpenSave through 2.4.0 Arbitrary File Read and Write via Peer-Controlled Save Path

Quick assessment

Affected
Liquid-co OpenSave
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.

OpenSave 2.4.0 及更早版本在清单请求处理程序中未能正确验证由配对对等节点提供的保存路径。攻击者可以指定位于已配置保存位置之外的任意目录，从而通过清单和同步路由读取或写入文件。

CVSS 8.1 · High EPSS 0.27% · P17

Affected Version Matrix 1

VendorProduct Version RangeStatus
Liquid-co OpenSave ≤ 2.4.0 affected
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I. Basic Information for CVE-2026-103398

Vulnerability Information
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Vulnerability Title
OpenSave through 2.4.0 Arbitrary File Read and Write via Peer-Controlled Save Path
Source: CVE Program / CVE List V5
Vulnerability Description
OpenSave through 2.4.0 fails to properly validate save paths supplied by paired peers in the manifest request handler. Attackers can specify arbitrary directories outside configured save locations to read and write files through manifest and sync routes.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
文件名或路径的外部可控制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Liquid-co OpenSave 0 ~ 2.4.0 -

II. Public POCs for CVE-2026-103398

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-103398

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Vendor Advisories for CVE-2026-103398 (1)

Proof of Concept for CVE-2026-103398 (1)

Other References for CVE-2026-103398 (1)

IV. Related Vulnerabilities

Same product: OpenSave
Same vendor: Liquid-co
Same weakness: CWE-73

V. Comments for CVE-2026-103398

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