CVE-2026-2549

HIGH
2026-02-16 [email protected]
7.3
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
CVE Published
Feb 16, 2026 - 10:16 nvd
HIGH 7.3

Tags

Java

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.

Analysis

Improper access controls in LibrarySystem BookController.java (versions up to 1.1.1) allow unauthenticated remote attackers to gain unauthorized access and potentially modify or disable library system functions. Public exploit code exists for this vulnerability and the vendor has not yet provided a patch despite early notification.

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Remediation

Within 24 hours: Identify all instances of LibrarySystem ≤1.1.1 in your environment and assess exposure. Within 7 days: Implement network segmentation to restrict LibrarySystem access and deploy compensating controls (see below). …

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Priority Score

37
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +36
POC: 0

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CVE-2026-2549 vulnerability details – vuln.today
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