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CVE-2026-3265— go2ismail Free-CRM Security API improper authorization

Quick assessment

Affected
go2ismail Free-CRM
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.

Free CRM是go2ismail个人开发者的一个客户关系管理软件。 Free CRM存在授权问题漏洞，该漏洞源于对文件/api/Security/中参数的操作导致授权不当。

CVSS 6.3 · Medium EPSS 0.53% · P43

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-3265

Vulnerability Information
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Vulnerability Title
go2ismail Free-CRM Security API improper authorization
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in go2ismail Free-CRM up to b83c40a90726d5e58f0cc680ffdcaa28a03fb5d1. This affects an unknown part of the file /api/Security/ of the component Security API. The manipulation leads to improper authorization. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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
Free CRM 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Free CRM是go2ismail个人开发者的一个客户关系管理软件。 Free CRM存在授权问题漏洞，该漏洞源于对文件/api/Security/中参数的操作导致授权不当。
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
go2ismail Free-CRM b83c40a90726d5e58f0cc680ffdcaa28a03fb5d1 -

II. Public POCs for CVE-2026-3265

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Reproduced successfully in a real sandbox · Below is the actual recording of building the environment and exploiting the vulnerability.
Success marker: VULNERABLE: low-priv token enumerated admin users and exfiltrated admin secret PROOF_633f00fd12b1818a via /api/Security/GetUserList (no authorization check)
Reproduction recording is a Pro+ exclusive
Watch the full sandbox build + live exploit recording for this CVE. Limited-time ¥499/mo.
Upgrade to Pro+
claude_code · 4235 chars
GitHub 复现环境（可 clone 直接跑）
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-2026-3265

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Vendor Advisories for CVE-2026-3265 (1)

Security Blog Posts for CVE-2026-3265 (1)

Same Patch Batch · go2ismail · 2026-02-26 · 4 CVEs total

CVE-2026-3262 6.3 MEDIUM go2ismail Asp.Net-Core-Inventory-Order-Management-System Administrative redirect
CVE-2026-3264 6.3 MEDIUM go2ismail Free-CRM Administrative redirect
CVE-2026-3263 6.3 MEDIUM go2ismail Asp.Net-Core-Inventory-Order-Management-System Security API improper authorizati

IV. Related Vulnerabilities

Same product: Free-CRM
Same vendor: go2ismail
Same weakness: CWE-285

V. Comments for CVE-2026-3265

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