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CVE-2026-53476— Assisted-migration-agent: vddk tarball chained-symlink arbitrary file write

Quick assessment

Affected
CVE-2026-53476
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.

Assisted Migration Agent是KubeV2V开源的一个虚拟化环境数据采集与迁移规划报告工具。 Assisted Migration Agent存在后置链接漏洞，该漏洞源于位于同一局域网的未经身份验证的攻击者利用路径遍历漏洞，通过特制的gzip压缩tar包绕过安全检查并写入任意文件，可能导致在设备上执行未经授权的代码。

CVSS 9.6 · Critical EPSS 0.43% · P35

Affected Version Matrix 1

VendorProduct Version RangeStatus
None None < bcae0438ad8386321a300413d71c982a11b7b5b7 affected

I. Basic Information for CVE-2026-53476

Vulnerability Information
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Vulnerability Title
Assisted-migration-agent: vddk tarball chained-symlink arbitrary file write
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in assisted-migration-agent. An unauthenticated attacker, located on the same local area network (LAN), can exploit a path traversal vulnerability. By crafting a specially designed gzipped tarball, the attacker can bypass security checks and write arbitrary files to the system. This could ultimately lead to the execution of unauthorized code on the appliance.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Source: CVE Program / CVE List V5
Vulnerability Title
Assisted Migration Agent 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Assisted Migration Agent是KubeV2V开源的一个虚拟化环境数据采集与迁移规划报告工具。 Assisted Migration Agent存在后置链接漏洞，该漏洞源于位于同一局域网的未经身份验证的攻击者利用路径遍历漏洞，通过特制的gzip压缩tar包绕过安全检查并写入任意文件，可能导致在设备上执行未经授权的代码。
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
- - 0 ~ bcae0438ad8386321a300413d71c982a11b7b5b7 -

II. Public POCs for CVE-2026-53476

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 9110 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-2026-53476

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Patches & Fixes for CVE-2026-53476 (1)

Vendor Advisories for CVE-2026-53476 (2)

IV. Related Vulnerabilities

Same weakness: CWE-59

V. Comments for CVE-2026-53476

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