What is GHSA-fmfw-g6xj-377f?

GHSA-fmfw-g6xj-377f is a security advisory published by GitHub Security Advisories with High severity. Improper neutralization of special elements used in an OS command ('OS Command Injection') issue...

Which CVE IDs does GHSA-fmfw-g6xj-377f cover?

GHSA-fmfw-g6xj-377f covers the following CVE IDs: CVE-2026-77853. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-fmfw-g6xj-377f?

GHSA-fmfw-g6xj-377f has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-fmfw-g6xj-377fHighCVSS 8.8

Improper neutralization of special elements used in an OS command ('OS Command Injection') issue...

Vendor

GitHub Security Advisories

Published

September 15, 2026

Last Modified

September 15, 2026

🔗 CVE IDs covered (1)

CVE-2026-77853 →

📋 Description

Improper neutralization of special elements used in an OS command ('OS Command Injection') issue exists in FF-RFI079I4 and FF-RFI078I4. A user who can log in to the product's M-Plane (NETCONF) may execute arbitrary OS commands.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-77853
https://5g.liteon.com/security/flexfi
https://jvn.jp/en/jp/JVN02049764
https://github.com/advisories/GHSA-fmfw-g6xj-377f