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CVE-2026-2549— zhanghuanhao LibrarySystem 图书馆管理系统 BookController.java access control

Quick assessment

Affected
zhanghuanhao LibrarySystem 图书馆管理系统
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

LibrarySystem是Walton个人开发者的一个图书管理系统。 LibrarySystem 1.1.1及之前版本存在访问控制错误漏洞，该漏洞源于文件BookController.java存在访问控制不当问题，可能导致远程攻击。

CVSS 7.3 · High EPSS 0.50% · P41

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2026-2549

Vulnerability Information
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Vulnerability Title
zhanghuanhao LibrarySystem 图书馆管理系统 BookController.java access control
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in zhanghuanhao LibrarySystem 图书馆管理系统 up to 1.1.1. This impacts an unknown function of the file BookController.java. The manipulation leads to improper access controls. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
LibrarySystem 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LibrarySystem是Walton个人开发者的一个图书管理系统。 LibrarySystem 1.1.1及之前版本存在访问控制错误漏洞，该漏洞源于文件BookController.java存在访问控制不当问题，可能导致远程攻击。
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
zhanghuanhao LibrarySystem 图书馆管理系统 1.1.0 -

II. Public POCs for CVE-2026-2549

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III. Intelligence Information for CVE-2026-2549

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News Coverage for CVE-2026-2549 (1)

IV. Related Vulnerabilities

Same weakness: CWE-284

V. Comments for CVE-2026-2549

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