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CVE-2026-49141— WACRM Authorization Bypass via Automation Engine Endpoint

Quick assessment

Affected
ArnasDon wacrm
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.

wacrm是Arnas Donauskas个人开发者的一款基于WhatsApp的自托管CRM模板。 WACRM 73041bf之前版本存在安全漏洞，该漏洞源于自动化引擎中的授权绕过问题，可能导致认证攻击者通过提供任意联系人ID访问和修改其他租户的联系人信息。

CVSS 7.1 · High EPSS 0.33% · P23

Affected Version Matrix 1

VendorProduct Version RangeStatus
ArnasDon wacrm < 73041bfa6420f5e1ecbfa1dd4fa847d8529320f5 affected
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I. Basic Information for CVE-2026-49141

Vulnerability Information
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Vulnerability Title
WACRM Authorization Bypass via Automation Engine Endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
WACRM prior to commit 73041bf contain an authorization bypass vulnerability in the automation engine that allows authenticated attackers to access and modify contacts belonging to other tenants by supplying an arbitrary caller-controlled contact_id in the POST request body without tenant ownership verification. Attackers can exploit the service-role client that bypasses row-level security to modify victim contact fields including name, email, and company across tenant boundaries using only a known contact UUID.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
wacrm 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
wacrm是Arnas Donauskas个人开发者的一款基于WhatsApp的自托管CRM模板。 WACRM 73041bf之前版本存在安全漏洞，该漏洞源于自动化引擎中的授权绕过问题，可能导致认证攻击者通过提供任意联系人ID访问和修改其他租户的联系人信息。
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
ArnasDon wacrm 0 ~ 73041bfa6420f5e1ecbfa1dd4fa847d8529320f5 -

II. Public POCs for CVE-2026-49141

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 11592 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
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Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-49141

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Patches & Fixes for CVE-2026-49141 (2)

Vendor Advisories for CVE-2026-49141 (1)

IV. Related Vulnerabilities

Same product: wacrm
Same vendor: ArnasDon
Same weakness: CWE-639

V. Comments for CVE-2026-49141

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