Missing Authentication Vulnerability in Yordam's Library Reservation System
CVE-2026-11838

4.3MEDIUM

Key Information:

Vendor: Yordam Informatics Technology Consulting, Training, And Electronic Systems Industry And Trade Inc.
Status: Library Reservation System
Vendor: CVE Published:; 9 September 2026

🔔 Create Yordam Informatics Technology Consulting, Training, And Electronic Systems Industry And Trade Inc. Vulnerability Alert

What is CVE-2026-11838?

The Library Reservation System developed by Yordam Informatics Technology Consulting, Training, and Electronic Systems Industry and Trade Inc. is affected by a vulnerability that allows for input data manipulation due to missing authentication in critical functions. This flaw could enable unauthorized users to manipulate important system data, potentially compromising the integrity of the entire library reservation process. It is crucial for users to review their systems and apply necessary updates to mitigate potential risks.

Affected Version(s)

Library Reservation System 0

References

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/...

government-resource

CVSS V3.1

Score:

4.3

Severity:

MEDIUM

Confidentiality:

None

Integrity:

Low

Availability:

None

Attack Vector:

Network

Attack Complexity:

Low

Privileges Required:

Low

User Interaction:

None

Scope:

Unchanged

Download the Critical Vulnerability Management Cheat Sheet

Timeline

Vulnerability published
Sep 9, 2026
Vulnerability Reserved
Jun 10, 2026

Credit

Çınar FİDANBOY

CVE-2026-11838 Data

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