What is CVE-2026-71241?

CVE-2026-71241 is a high-severity vulnerability in Lyric777 Book-Management-System, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2026-08-05.

How severe is CVE-2026-71241?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Lyric777 Book-Management-System

CVE-2026-71241

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.

Vulnerability class: Broken Authentication

EPSS: 0.003 (21.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Lyric777 Book-management-system — versions 0

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c (third-party-advisory)

Frequently asked questions

What is CVE-2026-71241?: CVE-2026-71241 is a high-severity vulnerability in Lyric777 Book-Management-System, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2026-08-05.
How severe is CVE-2026-71241?: High severity. CVSS v3 base score is 7.5 out of 10.