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CVE-2026-11838— Improper Authorization in Yordam Informatics' Library Reservation System

Quick assessment

Affected
Yordam Informatics Technology Consulting, Training, and Electronic Systems Industry and Trade Inc. Library Reservation System
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.

在 Yordam Informatics Technology Consulting, Training, and Electronic Systems Industry and Trade Inc. 的图书馆预约系统中，存在关键功能缺少认证机制的漏洞，导致输入数据可被篡改。 该问题影响图书馆预约系统：v22.2 之前的所有版本。

CVSS 4.3 · Medium

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2026-11838

Vulnerability Information
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Vulnerability Title
Improper Authorization in Yordam Informatics' Library Reservation System
Source: CVE Program / CVE List V5
Vulnerability Description
Missing authentication for critical function vulnerability in Yordam Informatics Technology Consulting, Training, and Electronic Systems Industry and Trade Inc. Library Reservation System allows Input Data Manipulation. This issue affects Library Reservation System: before v22.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Yordam Informatics Technology Consulting, Training, and Electronic Systems Industry and Trade Inc. Library Reservation System 0 ~ v22.2 -

II. Public POCs for CVE-2026-11838

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III. Intelligence Information for CVE-2026-11838

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Vendor Advisories for CVE-2026-11838 (1)

Same Patch Batch · Yordam Informatics Technology Consulting, Training, and Electronic Systems Industry and Trade Inc. · 2026-09-09 · 3 CVEs total

CVE-2026-78377 6.1 MEDIUM Open Redirect in Yordam Informatics's Library Automation System
CVE-2026-19733 5.3 MEDIUM SSRF in Yordam Informatics's Library Automation System

IV. Related Vulnerabilities

Same vendor: Yordam Informatics Technology Consulting, Training, and Electronic Systems Industry and Trade Inc.
Same weakness: CWE-306

V. Comments for CVE-2026-11838

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