CVE-2026-11838 Improper Authorization in Yordam Informatics' Library Reservation System
Attackers can manipulate input data in the Library Reservation System due to missing authentication on critical functions, requiring an upgrade to v22.2.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-11838?
CVE-2026-11838 is a medium-severity missing authorization vulnerability in Yordam Informatics Technology Consulting, Training, and Electronic Systems Industry and Trade Inc. Library Reservation System, published on 9 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-306
Which versions are affected by CVE-2026-11838?
How do I fix CVE-2026-11838?
No fix has been published for CVE-2026-11838 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-11838 being exploited?
There is no known exploitation of CVE-2026-11838 in the wild and no public exploit code.
Sources
Also known as GHSA-m8qv-w7p3-m7cv.