VDB

CVE-2026-86410

CVE-2026-86410 PUBLISHED CVSS 8.1 HIGH

Reported by curl · Published October 20, 2026

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.

Risk Scores

CVSS 3.1
8.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products

VendorProductVersions
curlcurl8.22.0, 8.21.0, 8.20.0
curlcurl7.81.0, 8.22.0, 8.21.0
alpinecurl0

Timeline

  • CVE Published
  • Oct 14, 2026 PoC Published
  • Oct 21, 2026 EPSS Score
  • Oct 21, 2026 PoC Published
  • Oct 24, 2026 EPSS Score
  • Oct 25, 2026 EPSS Score
  • Oct 27, 2026 EPSS Score
  • Oct 29, 2026 EPSS Score
  • Oct 30, 2026 EPSS Score

References

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