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CVE-2025-53829— ownCloud 10 is vulnerable to Relative Path Traversal

Quick assessment

Affected
owncloud ownCloud 10
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ownCloud是德国ownCloud公司开源的一套个人云存储解决方案。 ownCloud 10 10.15.3之前版本存在路径遍历漏洞，该漏洞源于系统存在路径遍历问题，可能导致具有管理员权限的攻击者执行任意代码。

CVSS 8.0 · High EPSS 0.51% · P41

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
owncloud ownCloud 10 < 10.15.3 affected
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I. Basic Information for CVE-2025-53829

Vulnerability Information
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Vulnerability Title
ownCloud 10 is vulnerable to Relative Path Traversal
Source: CVE Program / CVE List V5
Vulnerability Description
ownCloud is a file storage, synchronization, and sharing application. In ownCloud 10 prior to version 10.15.3, an attacker with administrative privileges can exploit a path traversal vulnerability in the system to execute arbitrary code. Upgrade ownCloud 10 to version 10.15.3 or later to receive a patch.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
相对路径遍历
Source: CVE Program / CVE List V5
Vulnerability Title
owncloud 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ownCloud是德国ownCloud公司开源的一套个人云存储解决方案。 ownCloud 10 10.15.3之前版本存在路径遍历漏洞，该漏洞源于系统存在路径遍历问题，可能导致具有管理员权限的攻击者执行任意代码。
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
owncloud ownCloud 10 < 10.15.3 -

II. Public POCs for CVE-2025-53829

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 10539 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2025-53829

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Vendor Advisories for CVE-2025-53829 (1)

Same Patch Batch · owncloud · 2026-07-06 · 5 CVEs total

CVE-2025-53827 9.1 CRITICAL ownCloud Core: Updater has an exposed dangerous method or function
CVE-2025-53830 9.1 CRITICAL Anti-Virus for ownCloud 10 is vulnerable to Server-Side Request Forgery (SSRF)
CVE-2025-53828 8.5 HIGH SharePoint for ownCloud 10 is vulnerable to Server-Side Request Forgery (SSRF)
CVE-2025-53831 8.2 HIGH DrawIO for ownCloud 10 is vulnerable to Stored XSS

IV. Related Vulnerabilities

Same vendor: owncloud
Same weakness: CWE-23

V. Comments for CVE-2025-53829

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