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CVE-2026-41449— UAC < 3.3.0 Command Injection via run_command.sh

Quick assessment

Affected
tclahr uac
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.

UAC（类Unix系统取证数据收集工具）在3.3.0版本之前存在一个命令注入漏洞，该漏洞位于 函数中。攻击者可通过向不受信任的数据（如用户名、进程名或文件名）中注入Shell元字符，从而执行任意命令。攻击者可以通过构造恶意的取证数据输入、挂载包含危险文件名的镜像文件，或篡改取证数据定义文件等方式利用此漏洞，在分析师主机处理取证数据时实现远程代码执行。

CVSS 7.8 · High EPSS 0.64% · P48

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
tclahr uac < 3.3.0 affected
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I. Basic Information for CVE-2026-41449

Vulnerability Information
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Vulnerability Title
UAC < 3.3.0 Command Injection via run_command.sh
Source: CVE Program / CVE List V5
Vulnerability Description
UAC (Unix-like Artifacts Collector) versions prior to 3.3.0 contain a command injection vulnerability in the _run_command function that allows attackers to execute arbitrary commands by injecting shell metacharacters into untrusted data such as usernames, process names, or filenames. Attackers can exploit this vulnerability through crafted evidence inputs, mounted images with hostile filenames, or tampered artifact definitions to achieve remote code execution on the analyst's host when processing evidence.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
tclahr uac 0 ~ 3.3.0 -

II. Public POCs for CVE-2026-41449

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 6980 chars
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III. Intelligence Information for CVE-2026-41449

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Patches & Fixes for CVE-2026-41449 (1)

Vendor Advisories for CVE-2026-41449 (1)

Same Patch Batch · tclahr · 2026-08-21 · 3 CVEs total

CVE-2026-41450 7.8 HIGH UAC < 3.3.0 Command Injection via command_collector.sh
CVE-2026-41451 7.8 HIGH UAC < 3.3.0 Command Injection via User Substitution in parse_artifact.sh

IV. Related Vulnerabilities

Same product: uac
Same vendor: tclahr
Same weakness: CWE-78

V. Comments for CVE-2026-41449

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