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CVE-2026-90843— SabyasachiRana WebMap New Nmap Scan functions_nmap.py nmap_newscan os command injection

Quick assessment

Affected
SabyasachiRana WebMap
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.

在 SabyasachiRana WebMap（版本至 8b95fe4dc301a3c09ddf145b895de0bf9f8d2a25）中检测到一个安全漏洞。该漏洞影响组件“New Nmap 扫描处理器”中文件 里的 函数。对参数 / 的操纵会导致操作系统命令注入。攻击者可能通过远程发起攻击。该利用方式已被公开披露，因此可能被实际利用。对应的补丁名称为 3d52f65803a2716bff14d938352c6fef45b0cfb6。应应用该补丁以修复此问题。此问题已通过一个静默补丁得到修复。

CVSS 8.3 · High

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2026-90843

Vulnerability Information
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Vulnerability Title
SabyasachiRana WebMap New Nmap Scan functions_nmap.py nmap_newscan os command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in SabyasachiRana WebMap up to 8b95fe4dc301a3c09ddf145b895de0bf9f8d2a25. This affects the function nmap_newscan of the file functions_nmap.py of the component New Nmap Scan Handler. Such manipulation of the argument target/params leads to os command injection. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. The name of the patch is 3d52f65803a2716bff14d938352c6fef45b0cfb6. A patch should be applied to remediate this issue. This issue got fixed with a silent patch.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
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
SabyasachiRana WebMap 8b95fe4dc301a3c09ddf145b895de0bf9f8d2a25 cpe:2.3:a:sabyasachirana:webmap:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-90843

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III. Intelligence Information for CVE-2026-90843

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Patches & Fixes for CVE-2026-90843 (1)

Proof of Concept for CVE-2026-90843 (1)

Security Blog Posts for CVE-2026-90843 (1)

IV. Related Vulnerabilities

Same weakness: CWE-78

V. Comments for CVE-2026-90843

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