What is CVE-2026-28269?

CVE-2026-28269 is a medium-severity vulnerability in Accellion Kiteworks, classified under OS Command Injection. CVSS score: 5.9/10. Published 2026-02-26.

How severe is CVE-2026-28269?

Medium severity. CVSS v3 base score is 5.9 out of 10.

RCE in Accellion Kiteworks

CVE-2026-28269

Kiteworks is a private data network (PDN). Prior to version 9.2.0, avulnerability in Kiteworks command execution functionality allows authenticated users to redirect command output to arbitrary file locations. This could be exploited to ov…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.020 (78.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N.

Affected products

Accellion Kiteworks
Kiteworks Security-advisories — versions < 9.2.0

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

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

Frequently asked questions

What is CVE-2026-28269?: CVE-2026-28269 is a medium-severity vulnerability in Accellion Kiteworks, classified under OS Command Injection. CVSS score: 5.9/10. Published 2026-02-26.
How severe is CVE-2026-28269?: Medium severity. CVSS v3 base score is 5.9 out of 10.