CVE-2026-86410

CVE-2026-86410

published October 21, 2026

CVSS
—
EPSS
0%
Percentile
18.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00275 · 18.9th percentile
Published
2026-10-21T00:17Z
References (3)
https://curl.se/docs/CVE-2026-86410.html · 2499f714-1537-4658-8207-48ae4bb9eae9https://curl.se/docs/CVE-2026-86410.json · 2499f714-1537-4658-8207-48ae4bb9eae9https://hackerone.com/reports/3973176 · 2499f714-1537-4658-8207-48ae4bb9eae9
EPSS history
Timeline
  • 22 OCT 03:35Z
    EPSS moved — → 0%
    epss
  • 20 OCT 19:59Z
    redirect to SFTP or SCP bypasses host verification
    cvelistv5
  • 20 OCT 19:59Z
    redirect to SFTP or SCP bypasses host verification
    cvelistv5