CSRF in Osticket
CVE-2026-8194
A security vulnerability has been detected in osTicket up to 1.18.3. Impacted is an unknown function of the file include/class.dispatcher.php of the component Dispatcher. The manipulation of the argument _method leads to cross-site request forgery. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through a pull request but has not reacted yet.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (12.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 12.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.001
Affected products
- Osticket — versions 1.18.0, 1.18.1, 1.18.2
Weakness classification (CWE)
References
- vuldb.com/vuln/362346 (technical-description, vdb-entry)
- vuldb.com/vuln/362346/cti (signature, permissions-required)
- vuldb.com/submit/802755 (third-party-advisory)
- github.com/osTicket/osTicket/pull/6945 (issue-tracking, patch)
- github.com/az10b/security-advisories/blob/main/csrf_bypass_osTicket.md (exploit)
- github.com/osTicket/osTicket/ (product)
Frequently asked questions
- What is CVE-2026-8194?
- CVE-2026-8194 is a medium-severity vulnerability in Osticket, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2026-05-09.
- How severe is CVE-2026-8194?
- Medium severity. CVSS v3 base score is 4.3 out of 10.