What is GHSA-4fmg-fm23-j6fc?

GHSA-4fmg-fm23-j6fc is a security advisory published by GitHub Security Advisories with High severity. A flaw in the curl command line tool's logic makes it only set SSH host verification options when...

Which CVE IDs does GHSA-4fmg-fm23-j6fc cover?

GHSA-4fmg-fm23-j6fc covers the following CVE IDs: CVE-2026-86410. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4fmg-fm23-j6fc?

GHSA-4fmg-fm23-j6fc has a CVSS v3 base score of 8.1, published by GitHub Security Advisories.

GHSA-4fmg-fm23-j6fcHighCVSS 8.1

A flaw in the curl command line tool's logic makes it only set SSH host verification options when...

Vendor

GitHub Security Advisories

Published

October 20, 2026

Last Modified

October 29, 2026

🔗 CVE IDs covered (1)

CVE-2026-86410 →

📋 Description

A flaw in the curl command line tool's logic makes it only set SSH host verification options when interacting directly using SFTP or SCP, and not as a result of following a redirect.

🔗 References (5)

https://nvd.nist.gov/vuln/detail/CVE-2026-86410
https://hackerone.com/reports/3973176
https://curl.se/docs/CVE-2026-86410.html
https://curl.se/docs/CVE-2026-86410.json
https://github.com/advisories/GHSA-4fmg-fm23-j6fc