CVE-2026-14871

EUVD-2026-45186
osTicket versions v1.18.3 and v1.17.7 contain a Broken Object Level Authorization (BOLA) leading to Insecure Direct Object Reference (IDOR) in the AJAX ticket-management subsystem.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
Fluid AttacksCNA
7.1 HIGH
NETWORK
LOW
LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
osticketosticket
1.18.3
CNA
osticketosticket
1.17.7
CNA
Common Weakness Enumeration
References
https://fluidattacks.com/advisories/kyokai
https://github.com/osTicket/osTicket/
https://github.com/osTicket/osTicket/releases/tag/v1.17.8
https://github.com/osTicket/osTicket/releases/tag/v1.18.4
https://medium.com/p/1abb8be847e6