{"cve":"CVE-2026-11838","nvd":{"published":"2026-09-09T10:17:03.910","modified":"2026-09-09T15:37:49.157","status":"Deferred","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.\n\nThis issue affects Library Reservation System: before v22.2.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","score":4.3},"cwes":["CWE-306"],"references":["https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1035"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:52:53.108888569+00:00"},"epss":{"cve":"CVE-2026-11838","score":0.00313,"percentile":0.24231,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}