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CVE-2026-71241— Book-Management-System - Unauthenticated Disclosure of Student PII and Borrowing History

Quick assessment

Affected
lyric777 Book-Management-System
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.

lyric777 Book-Management-System是lyric777个人开发者的一个图书管理系统。 lyric777 Book-Management-System存在授权问题漏洞，该漏洞源于/student、/record、/books、/find_stu_book和/find_not_return_book端点缺少@login_required装饰器，可能导致未经身份验证的远程用户通过提供card_id检索学生PII（姓名、性别、卡有效期、债务状态）和完整借阅历史，并因card_id为连续整

CVSS 7.5 · High EPSS 0.48% · P41

Affected Version Matrix 1

VendorProduct Version RangeStatus
lyric777 Book-Management-System affected
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I. Basic Information for CVE-2026-71241

Vulnerability Information
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Vulnerability Title
Book-Management-System - Unauthenticated Disclosure of Student PII and Borrowing History
Source: CVE Program / CVE List V5
Vulnerability Description
Book-Management-System's Flask API endpoints /student, /record, /books, /find_stu_book, and /find_not_return_book are missing the @login_required decorator that protects sibling routes (/search_student, /storage) in the same file. Because card_id values are sequential integers, the entire student database can be enumerated without authentication.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
lyric777 Book-Management-System 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
lyric777 Book-Management-System是lyric777个人开发者的一个图书管理系统。 lyric777 Book-Management-System存在授权问题漏洞，该漏洞源于/student、/record、/books、/find_stu_book和/find_not_return_book端点缺少@login_required装饰器，可能导致未经身份验证的远程用户通过提供card_id检索学生PII（姓名、性别、卡有效期、债务状态）和完整借阅历史，并因card_id为连续整
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
lyric777 Book-Management-System 0 -

II. Public POCs for CVE-2026-71241

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 5111 chars
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III. Intelligence Information for CVE-2026-71241

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Other References for CVE-2026-71241 (1)

IV. Related Vulnerabilities

Same weakness: CWE-306

V. Comments for CVE-2026-71241

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