Auth bypass in Yordam Informatics Technology Consulting, Training, And Electronic Systems Industry Trade Inc. Library Reservation System

CVE-2026-11838

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.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (7.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 7.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-11838: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-11838?
CVE-2026-11838 is a medium-severity vulnerability in Yordam Informatics Technology Consulting, Training, And Electronic Systems Industry Trade Inc. Library Reservation System, classified under Missing Authentication for Critical Function. CVSS score: 4.3/10. Published 2026-09-09.
How severe is CVE-2026-11838?
Medium severity. CVSS v3 base score is 4.3 out of 10.