CVE-2026-86410

high

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

https://hackerone.com/reports/3973176

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-105275

https://curl.se/docs/CVE-2026-86410.json

https://curl.se/docs/CVE-2026-86410.html

Details

Source: Mitre, NVD

Published: 2026-10-20

Updated: 2026-10-29

Risk Information

CVSS v2

Base Score: 7.6

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.1

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