Insufficiently Protected Credentials Affecting libcurl package, versions [7.76.0,8.21.0)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-CONAN-LIBCURL-17808166
- published3 Jul 2026
- disclosed3 Jul 2026
- creditUnknown
Introduced: 3 Jul 2026
NewCVE-2026-11856 (opens in a new tab)How to fix?
Upgrade libcurl to version 8.21.0 or higher.
Overview
Affected versions of this package are vulnerable to Insufficiently Protected Credentials in the Authorization header handling process. An attacker can cause sensitive authentication information to be sent to an unintended origin by reusing a handle for transfers to different HTTP origins after performing Digest authentication.