CVE-2026-2549
zhanghuanhao LibrarySystem 图书馆管理系统 BookController.java access control
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
zhanghuanhao LibrarySystem 图书馆管理系统 BookController.java access control
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.
- Record
CVE-2026-2549- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P - CVSS 3.1
- 7.3 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R - CVSS 3.0
- 7.3 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R - CVSS 2.0
- 7.5
AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR - Weakness
- CWE-284, CWE-266
- Updated
- 2026-11-02
EUVDEUVD-2026-6103
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.
- Record
EUVD-2026-6103- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-59w9-4rgj-869h
A vulnerability has been found in zhanghuanhao LibrarySystem 图书馆管理系统 up to 1.1.1. This impacts an...
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.
- Record
GHSA-59w9-4rgj-869h- CVSS 4.0
- 5.5 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 7.3 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - Weakness
- CWE-266
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-2549- CVSS 4.0
- 5.5 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 7.3 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-266, CWE-284
- Updated
- 2026-11-02
OSV
zhanghuanhao LibrarySystem 图书馆管理系统 BookController.java access control
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.
- Record
CVE-2026-2549- CVSS 4.0
- 5.5 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P - Weakness
- CWE-266, CWE-284
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-2549 is a medium vulnerability (CVSS 6.9) in Zhanghuanhao Librarysystem 图书馆管理系统, published February 16, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.33%, the 26th percentile. No source names a fixed version.