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CVE-2025-8261— Vaelsys VaelsysV4 User Creation vgrid_server.php improper authorization

Quick assessment

Affected
Vaelsys VaelsysV4
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.

Vaelsys V4是西班牙Vaelsys公司的一款人工智能视频分析平台。 Vaelsys V4 4.1.0版本存在安全漏洞，该漏洞源于文件/grid/vgrid_server.php中用户创建处理程序授权不当。

CVSS 7.3 · High EPSS 0.65% · P49
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I. Basic Information for CVE-2025-8261

Vulnerability Information
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Vulnerability Title
Vaelsys VaelsysV4 User Creation vgrid_server.php improper authorization
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in Vaelsys VaelsysV4 4.1.0. This vulnerability affects unknown code of the file /grid/vgrid_server.php of the component User Creation Handler. Executing a manipulation can lead to improper authorization. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The real existence of this vulnerability is still doubted at the moment. The vendor explains: "Based on Vaelsys' analysis, the reported behavior does not allow actions beyond those already permitted to authenticated administrative users, and no change in system configuration or operational practices is necessary."
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Vaelsys V4 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Vaelsys V4是西班牙Vaelsys公司的一款人工智能视频分析平台。 Vaelsys V4 4.1.0版本存在安全漏洞，该漏洞源于文件/grid/vgrid_server.php中用户创建处理程序授权不当。
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
Vaelsys VaelsysV4 4.1.0 -

II. Public POCs for CVE-2025-8261

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 7682 chars
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III. Intelligence Information for CVE-2025-8261

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Same Patch Batch · Vaelsys · 2025-07-28 · 3 CVEs total

CVE-2025-8259 7.3 HIGH Vaelsys VaelsysV4 Web interface vgrid_server.php execute_DataObjectProc os command injecti
CVE-2025-8260 3.1 LOW Vaelsys VaelsysV4 Web interface vgrid_server.php weak hash

IV. Related Vulnerabilities

Same product: VaelsysV4
Same vendor: Vaelsys
Same weakness: CWE-285

V. Comments for CVE-2025-8261

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