---
title: "CVE-2026-27565: Unspecified Product - Unrestricted File Upload"
description: "An unspecified product contains an unrestricted file upload vulnerability caused by allowing unauthenticated remote attackers to upload malicious IODD files, letting attackers execute persistent shell scripts with root privileges, exploit requires no authentication."
url: https://panop.io/threat-heartbeat/CVE-2026-27565/
---

# CVE-2026-27565 Unspecified Product - Unrestricted File Upload

An unspecified product contains an unrestricted file upload vulnerability caused by allowing unauthenticated remote attackers to upload malicious IODD files, letting attackers execute persistent shell scripts with root privileges, exploit requires no authentication.

CVSS base score 9.8 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.97% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-27565)

## Details

Type

Unrestricted File Upload

Impact

Remote Code Execution, Privilege Escalation

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Published

16 September 2026

Updated

15 October 2026

Weakness

[CWE-78](https://cwe.mitre.org/data/definitions/78.html)

## Vendor fix

Update to the latest version or apply vendor patches to restrict file uploads and execution.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-27565](https://nvd.nist.gov/vuln/detail/CVE-2026-27565)
- [https://www.certvde.com/en/advisories/VDE-2026-014/](https://www.certvde.com/en/advisories/VDE-2026-014/)
- [https://www.certvde.com/en/advisories/VDE-2026-027/](https://www.certvde.com/en/advisories/VDE-2026-027/)
- [https://www.certvde.com/en/advisories/VDE-2026-028/](https://www.certvde.com/en/advisories/VDE-2026-028/)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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