What is CVE-2026-35009?

CVE-2026-35009 is a medium-severity vulnerability in Openises Tickets, classified under Cross-site Scripting. CVSS score: 4.6/10. Published 2026-05-20.

How severe is CVE-2026-35009?

Medium severity. CVSS v3 base score is 4.6 out of 10.

XSS in Openises Tickets

CVE-2026-35009

Open ISES Tickets before 3.44.2 contains a reflected cross-site scripting vulnerability in add_note.php that allows authenticated attackers to inject arbitrary JavaScript by passing an unsanitized value through the ticket_id GET parameter…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (8.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N.

Affected products

Openises Tickets — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (release-notes)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-35009?: CVE-2026-35009 is a medium-severity vulnerability in Openises Tickets, classified under Cross-site Scripting. CVSS score: 4.6/10. Published 2026-05-20.
How severe is CVE-2026-35009?: Medium severity. CVSS v3 base score is 4.6 out of 10.