Vulnerability · Published Jul 17, 2026 · Assigned by Fluid Attacks
CVE-2026-14871osTicket v1.18.3 - v1.17.7 - BOLA/IDOR in ticket field viewing allows cross-department data disclosure
High 7.1
In plain English
A high-severity incorrect authorization in osTicket from osTicket. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 37% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS 4.0)7.1High
Exploit odds (30 days)0.4%top 62.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
Official description
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.
Affected products (as reported)
Weakness: CWE-863 · Vector: 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
References
- https://fluidattacks.com/advisories/kyokai third-party-advisory
- https://medium.com/p/1abb8be847e6 third-party-advisory
- https://github.com/osTicket/osTicket/ product
- https://github.com/osTicket/osTicket/releases/tag/v1.18.4 patch
- https://github.com/osTicket/osTicket/releases/tag/v1.17.8 patch