CVE-2026-28269 Kiteworks Core has an OS Command Injection

Medium 5.9 Published Updated

Authenticated users can exploit command execution flaws to overwrite system files and gain elevated access in Kiteworks.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-28269?

CVE-2026-28269 is a medium-severity command injection vulnerability in Accellion Kiteworks, published on 26 Feb 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

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 overwrite critical system files and gain elevated access. Version 9.2.0 contains a patch.

Weakness: CWE-78

Which versions are affected by CVE-2026-28269?

It affects 1 product.

Products include Accellion Kiteworks.

How do I fix CVE-2026-28269?

No fix has been published for CVE-2026-28269 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-28269 being exploited?

There is no known exploitation of CVE-2026-28269 in the wild and no public exploit code.

All Accellion Kiteworks vulnerabilities

Sources

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