What is CVE-2026-24754?

CVE-2026-24754 is a medium-severity vulnerability in Accellion Kiteworks, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-06-01.

How severe is CVE-2026-24754?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Accellion Kiteworks

CVE-2026-24754

Kiteworks is a private data network (PDN). Prior to version 9.3.0, a stored XSS vulnerability in Kiteworks Secure Data Forms could allow an authenticated attacker to execute arbitrary JavaScript code in other users' sessions. Upgrade Kiteworks to version 9.3.0 or later to receive a patch.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.001 (3.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Accellion Kiteworks
Kiteworks Security-advisories — versions < 9.3.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2026-24754?: CVE-2026-24754 is a medium-severity vulnerability in Accellion Kiteworks, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-06-01.
How severe is CVE-2026-24754?: Medium severity. CVSS v3 base score is 5.4 out of 10.