CVE-2026-87861 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
0.29% (21st percentile)

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  • Snyk IDSNYK-ECHOLATEST-CURL7691-21280095
  • published20 Oct 2026
  • disclosed20 Oct 2026

Introduced: 20 Oct 2026

NewCVE-2026-87861  (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 ambient user credentials, an HTTP request directed to one origin may be dispatched over a connection previously authenticated via Negotiate for a different origin, leaving the request's intended credentials unused.

CVSS Base Scores

version 3.1