What is CVE-2026-24753?

CVE-2026-24753 is a medium-severity vulnerability in Accellion Kiteworks, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-06-01.

How severe is CVE-2026-24753?

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

Auth bypass in Accellion Kiteworks

CVE-2026-24753

Kiteworks is a private data network (PDN). Prior to version 9.3.0, an Insecure Direct Object Reference (IDOR) vulnerability in Kiteworks Secure Data Forms allows an authenticated user to modify resources belonging to other users due to ins…

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.000 (8.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Accellion Kiteworks
Kiteworks Secure Data Forms — versions < 9.3.0

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

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

Frequently asked questions

What is CVE-2026-24753?: CVE-2026-24753 is a medium-severity vulnerability in Accellion Kiteworks, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-06-01.
How severe is CVE-2026-24753?: Medium severity. CVSS v3 base score is 6.5 out of 10.