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Vulnerability record · CVE-2026-14871 · published 17 July 2026

CVE-2026-14871: Incorrect authorization vulnerability

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.

7.1 CVSS 4.0 High EPSS 0.43% · top 65.5% CWE-863 · Incorrect authorization Awaiting Analysis
7.1CVSS 4.0 base score
0.43%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
17 Jul 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
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

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Source: NIST National Vulnerability Database (record CVE-2026-14871), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.