CVE-2026-86413 Affecting curl-7.69.1 package, versions <7.69.1+e1


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.31% (23rd percentile)

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  • Snyk IDSNYK-ECHOLATEST-CURL7691-21280093
  • published20 Oct 2026
  • disclosed20 Oct 2026

Introduced: 20 Oct 2026

NewCVE-2026-86413  (opens in a new tab)

How to fix?

Upgrade Echo:latest curl-7.69.1 to version 7.69.1+e1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream curl-7.69.1 package and not the curl-7.69.1 package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

When using an ambient user in a first transfer doing Negotiate authentication and asked to follow redirects, curl could pass on its credential details to an unrelated second origin when asked to redirect there.

CVSS Base Scores

version 3.1