CVE-2026-11838 json
Improper Authorization in Yordam Informatics' Library Reservation System
published 2026-09-09 2 mo ago modified 2026-09-09 2 mo ago also EUVD-2026-74781
- cvss
- 4.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 24%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Yordam Informatics Technology Consulting, Training, and Electronic Systems Industry and Trade Inc. Library Reservation System v22.2
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 mo ago
Exploit prediction
0.31% chance of exploitation in the next 30 days, higher than 24% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
Affected products
- Yordam Informatics Technology Consulting, Training, and Electronic Systems Industry and Trade Inc. Library Reservation System
Classification
- Weakness
-
- CWE-306 Missing Authentication for Critical Functionality
References
-
siberguvenlik.gov.tr
/guvenlik-bildirimleri/detay/tr-26-1035
government-resource
Sources
- CVE List CVE-2026-11838
- NVD CVE-2026-11838
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.