What is CVE-2026-29092?

CVE-2026-29092 is a medium-severity vulnerability in Accellion Kiteworks, classified under Insufficient Session Expiration. CVSS score: 4.9/10. Published 2026-03-25.

How severe is CVE-2026-29092?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Vulnerability in Accellion Kiteworks

CVE-2026-29092

Kiteworks is a private data network (PDN). Prior to version 9.2.1, a vulnerability in Kiteworks Email Protection Gateway session management allows blocked users to maintain active sessions after their account is disabled. This could allow unauthorized access to continue until the session naturally expires. Upgrade Kiteworks to version 9.2.1 or later to receive a patch.

EPSS: 0.002 (14.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N.

Affected products

Accellion Kiteworks
Kiteworks Email Protection Gateway — versions < 9.2.1

Weakness classification (CWE)

CWE-613 — Insufficient Session Expiration

References

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

Frequently asked questions

What is CVE-2026-29092?: CVE-2026-29092 is a medium-severity vulnerability in Accellion Kiteworks, classified under Insufficient Session Expiration. CVSS score: 4.9/10. Published 2026-03-25.
How severe is CVE-2026-29092?: Medium severity. CVSS v3 base score is 4.9 out of 10.