---
title: "CVE-2026-27556: Unknown Product - Local File Inclusion"
description: "Unknown vendor product contains a local file inclusion caused by improper input validation in /index.php/ajax/save_iodd_parameters, letting low-privileged remote attackers execute arbitrary PHP code, exploit requires valid operator cookie."
url: https://panop.io/threat-heartbeat/CVE-2026-27556/
---

# CVE-2026-27556 Unknown Product - Local File Inclusion

Unknown vendor product contains a local file inclusion caused by improper input validation in /index.php/ajax/save\_iodd\_parameters, letting low-privileged remote attackers execute arbitrary PHP code, exploit requires valid operator cookie.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.89% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-27556)

## Details

Type

Local File Inclusion

Impact

Remote Code Execution

CVSS vector

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

Published

16 September 2026

Updated

15 October 2026

Weakness

[CWE-98](https://cwe.mitre.org/data/definitions/98.html)

## Vendor fix

Update to the latest version or apply patches to fix local file inclusion.

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-2026-27556](https://nvd.nist.gov/vuln/detail/CVE-2026-27556)
- [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/)

[← All CVEs](https://panop.io/threat-heartbeat/)

## 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.

[Book a demo](https://panop.io/demo)