CVE-2026-71241
Book-Management-System - Unauthenticated Disclosure of Student PII and Borrowing History
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.
INFO
Published Date :
Aug. 5, 2026, 11:16 a.m.
Last Modified :
Oct. 24, 2026, 3:10 p.m.
Remotely Exploit :
Yes !
Source :
309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c | ||||
| CVSS 3.1 | HIGH | MITRE-CVE |
Solution
- Apply the @login_required decorator to all unprotected routes.
- Ensure authentication middleware is correctly configured.
- Validate and sanitize all input parameters.
- Restrict access based on user roles.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-71241.
| URL | Resource |
|---|---|
| https://github.com/lyric777/Book-Management-System |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-71241 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-71241
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-71241 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-71241 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Translated by [email protected]
Oct. 24, 2026
Action Type Old Value New Value Changed Translation Title: Book-Management-System de lyric777, Description: Los puntos finales de la API de Flask del Sistema de Gestión de Libros /student, /record, /books, /find_stu_book y /find_not_return_book carecen del decorador @login_required que protege las rutas hermanas (/search_student, /storage) en el mismo archivo. Esto permite a cualquier usuario remoto no autenticado recuperar la PII del estudiante (nombre, género, validez de la tarjeta, estado de la deuda) y el historial completo de préstamos de libros al proporcionar un card_id. Debido a que los valores de card_id son enteros secuenciales, toda la base de datos de estudiantes puede ser enumerada sin autenticación. Title: Book-Management-System de lyric777, Description: Los puntos finales de la API de Flask del Sistema de Gestión de Libros /student, /record, /books, /find_stu_book y /find_not_return_book carecen del decorador @login_required que protege las rutas hermanas (/search_student, /storage) en el mismo archivo. Esto permite a cualquier usuario remoto no autenticado recuperar la PII del estudiante (nombre, género, validez de la tarjeta, estado de la deuda) y el historial completo de préstamos de libros al proporcionar un card_id. Debido a que los valores de card_id son enteros secuenciales, toda la base de datos de estudiantes puede ser enumerada sin autenticación. -
CVE Translated by [email protected]
Oct. 23, 2026
Action Type Old Value New Value Added Translation Title: Book-Management-System de lyric777, Description: Los puntos finales de la API de Flask del Sistema de Gestión de Libros /student, /record, /books, /find_stu_book y /find_not_return_book carecen del decorador @login_required que protege las rutas hermanas (/search_student, /storage) en el mismo archivo. Esto permite a cualquier usuario remoto no autenticado recuperar la PII del estudiante (nombre, género, validez de la tarjeta, estado de la deuda) y el historial completo de préstamos de libros al proporcionar un card_id. Debido a que los valores de card_id son enteros secuenciales, toda la base de datos de estudiantes puede ser enumerada sin autenticación. -
CVE Modified by 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c
Aug. 10, 2026
Action Type Old Value New Value Changed 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. This allows any unauthenticated remote user to retrieve student PII (name, gender, card validity, debt status) and full book-borrowing history by supplying a card_id. Because card_id values are sequential integers, the entire student database can be enumerated without authentication. 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. -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Aug. 05, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-71241', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-08-05T12:58:18.123596Z'} -
New CVE Received by 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c
Aug. 05, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'lyric777', 'product': 'Book-Management-System', 'versions': [{'status': 'affected', 'version': '0'}], 'programFiles': ['book_management_sys.py'], 'defaultStatus': 'unknown'}] Added 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. This allows any unauthenticated remote user to retrieve student PII (name, gender, card validity, debt status) and full book-borrowing history by supplying a card_id. Because card_id values are sequential integers, the entire student database can be enumerated without authentication. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Added CWE CWE-306 Added Reference https://github.com/lyric777/Book-Management-System