What is CVE-2026-23635?

CVE-2026-23635 is a medium-severity vulnerability in Accellion Kiteworks, classified under Unprotected Transport of Credentials. CVSS score: 6.5/10. Published 2026-03-25.

How severe is CVE-2026-23635?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Accellion Kiteworks

CVE-2026-23635

Kiteworks is a private data network (PDN). In Kiteworks Secure Data Forms prior to version 9.2.1, a misconfiguration of the security attributes could potentially lead to Unprotected Transport of Credentials under certain circumstances. Upg…

EPSS: 0.003 (23.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N.

Affected products

Accellion Kiteworks
Kiteworks Secure Data Forms — versions < 9.2.1

Weakness classification (CWE)

CWE-523 — Unprotected Transport of Credentials

References

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

Frequently asked questions

What is CVE-2026-23635?: CVE-2026-23635 is a medium-severity vulnerability in Accellion Kiteworks, classified under Unprotected Transport of Credentials. CVSS score: 6.5/10. Published 2026-03-25.
How severe is CVE-2026-23635?: Medium severity. CVSS v3 base score is 6.5 out of 10.