What is GHSA-fmvr-8vv5-53j5?

GHSA-fmvr-8vv5-53j5 is a security advisory published by GitHub Security Advisories with High severity. A low-privileged remote attacker can exploit a local file inclusion vulnerability in the /index...

Which CVE IDs does GHSA-fmvr-8vv5-53j5 cover?

GHSA-fmvr-8vv5-53j5 covers the following CVE IDs: CVE-2026-27556. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-fmvr-8vv5-53j5?

GHSA-fmvr-8vv5-53j5 has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-fmvr-8vv5-53j5HighCVSS 8.8

A low-privileged remote attacker can exploit a local file inclusion vulnerability in the /index...

Vendor

GitHub Security Advisories

Published

September 16, 2026

Last Modified

September 16, 2026

🔗 CVE IDs covered (1)

CVE-2026-27556 →

📋 Description

A low-privileged remote attacker can exploit a local file inclusion vulnerability in the /index.php/ajax/save_iodd_parameters endpoint using a valid operator cookie allowing execution of arbitrary PHP code on the device.

🔗 References (5)

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-2026-027
https://www.certvde.com/en/advisories/VDE-2026-028
https://github.com/advisories/GHSA-fmvr-8vv5-53j5