Improper Authentication Affecting libcurl package, versions [7.76.0,8.22.0)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.37% (29th percentile)

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  • Snyk IDSNYK-CONAN-LIBCURL-20158572
  • published27 Sept 2026
  • disclosed6 Sept 2026
  • creditUnknown

Introduced: 6 Sep 2026

NewCVE-2026-80230  (opens in a new tab)
CWE-287  (opens in a new tab)

How to fix?

Upgrade libcurl to version 8.22.0 or higher.

Overview

Affected versions of this package are vulnerable to Improper Authentication via the CURLOPT_PINNEDPUBLICKEY option in combination with disabled peer verification settings. An attacker can establish unauthenticated connections by bypassing the expected public key pinning check when both CURLOPT_SSL_VERIFYPEER and CURLOPT_SSL_VERIFYHOST are set to 0. This is only exploitable if both peer and host verification are explicitly disabled in the configuration.

CVSS Base Scores

version 4.0
version 3.1