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

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

- **Severity:** Medium 5.9 (`CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 26 Feb 2026
- **Updated:** 27 Feb 2026

## 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 (Improper Neutralization of Special Elements used in an OS Command)

## Which versions are affected by CVE-2026-28269?

It affects 1 product.


Products: 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.

## Is CVE-2026-28269 being exploited?

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

## Other vulnerabilities in Accellion Kiteworks

- [CVE-2026-102115](https://insights.sbomify.com/CVE-2026-102115/): Kiteworks Core Authentication Bypass in the Password Reset Workflow (critical 9.8)
- [CVE-2026-102149](https://insights.sbomify.com/CVE-2026-102149/): Kiteworks Email Protection Gateway Improper Access Control (critical 9.4)
- [CVE-2026-102147](https://insights.sbomify.com/CVE-2026-102147/): Kiteworks Core Administrative Account Takeover through Stored Cross-site Scripting (XSS) (critical 9.3)
- [CVE-2026-102095](https://insights.sbomify.com/CVE-2026-102095/): Kiteworks Email Protection Gateway server-side request forgery (critical 9.1)
- [CVE-2026-102102](https://insights.sbomify.com/CVE-2026-102102/): Kiteworks Email Protection Gateway server-side request forgery (critical 9.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-28269 and fix it if it is affected.

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

Affected product: Accellion Kiteworks. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-28269/ (Markdown: https://insights.sbomify.com/CVE-2026-28269/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-28269
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-28269
- OSV: https://osv.dev/vulnerability/CVE-2026-28269

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-28269/
Summaries are generated and may contain mistakes; the official description above is the record.