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I. Basic Information for CVE-2026-40043
Vulnerability Information

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Vulnerability Title
Pachno 1.0.6 Authentication Bypass via runSwitchUser()
Source: NVD (National Vulnerability Database)
Vulnerability Description
Pachno 1.0.6 contains an authentication bypass vulnerability in the runSwitchUser() action that allows authenticated low-privilege users to escalate privileges by manipulating the original_username cookie. Attackers can set the client-controlled original_username cookie to any value and request a switch to user ID 1 to obtain session tokens or password hashes belonging to administrator accounts.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: NVD (National Vulnerability Database)
Vulnerability Title
Pachno 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Pachno是Pachno开源的一个用于协作的开源平台。 Pachno 1.0.6版本存在安全漏洞,该漏洞源于runSwitchUser操作存在身份验证绕过,可能导致低权限用户提升权限。
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
VendorProductAffected VersionsCPESubscribe
panchoPachno 1.0.6 -
II. Public POCs for CVE-2026-40043
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III. Intelligence Information for CVE-2026-40043
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IV. Related Vulnerabilities
V. Comments for CVE-2026-40043

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