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CVE-2026-57995— phpMyFAQ - Privilege Escalation via Missing Self-Rights Constraint in GroupController::updatePermissions

Quick assessment

Affected
phpMyFAQ phpMyFAQ
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.

thorsten phpMyFAQ是thorsten的文档管理系统。 thorsten phpMyFAQ 4.1.5之前版本存在权限许可和访问控制问题漏洞，该漏洞源于GroupController::updatePermissions函数在权限提升过程中未验证GROUP_EDIT管理员自身是否持有相应权限，允许委派管理员通过将高价值权限分配给所属组，继承这些权限并提升至完全管理控制权。

CVSS 8.8 · High EPSS 0.44% · P36

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 2

VendorProduct Version RangeStatus
phpMyFAQ phpMyFAQ < 4.1.5 affected
4.1.5 unaffected
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I. Basic Information for CVE-2026-57995

Vulnerability Information
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Vulnerability Title
phpMyFAQ - Privilege Escalation via Missing Self-Rights Constraint in GroupController::updatePermissions
Source: CVE Program / CVE List V5
Vulnerability Description
phpMyFAQ before 4.1.5 contains a privilege escalation vulnerability in GroupController::updatePermissions that allows GROUP_EDIT administrators to grant arbitrary rights to groups without verifying they hold those rights themselves. A delegated administrator can exploit this by assigning high-value permissions to a group they belong to, inheriting those rights and escalating privileges up to full administrative control.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
thorsten phpMyFAQ 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
thorsten phpMyFAQ是thorsten的文档管理系统。 thorsten phpMyFAQ 4.1.5之前版本存在权限许可和访问控制问题漏洞，该漏洞源于GroupController::updatePermissions函数在权限提升过程中未验证GROUP_EDIT管理员自身是否持有相应权限，允许委派管理员通过将高价值权限分配给所属组，继承这些权限并提升至完全管理控制权。
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
phpMyFAQ phpMyFAQ 0 ~ 4.1.5 -

II. Public POCs for CVE-2026-57995

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 7897 chars
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III. Intelligence Information for CVE-2026-57995

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Vendor Advisories for CVE-2026-57995 (1)

Other References for CVE-2026-57995 (1)

IV. Related Vulnerabilities

Same product: phpMyFAQ
Same vendor: phpMyFAQ
Same weakness: CWE-269

V. Comments for CVE-2026-57995

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