Auth bypass in Osticket
CVE-2026-14871
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.
Vulnerability class: Broken Access Control
Published · last modified .
EPSS exploit prediction
EPSS: 0.004 (36.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Osticket — versions v1.18.3, v1.17.7
Weakness classification (CWE)
Public proof-of-concept exploits
References
- fluidattacks.com/advisories/kyokai (third-party-advisory)
- medium.com/p/1abb8be847e6 (third-party-advisory)
- github.com/osTicket/osTicket/ (product)
- github.com/osTicket/osTicket/releases/tag/v1.18.4 (patch)
- github.com/osTicket/osTicket/releases/tag/v1.17.8 (patch)
Frequently asked questions
- What is CVE-2026-14871?
- CVE-2026-14871 is a vulnerability in Osticket, classified under Incorrect Authorization. Published 2026-07-17.
- Is CVE-2026-14871 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.