CVE-2026-6429

When asked to both use a `.netrc` file for credentials and to follow HTTP redirects, libcurl could leak the password used for the first host to the followed-to host under certain circumstances.

  • Published May 13, 2026
  • CVSS 5.3 medium
  • 0.5% chance of exploitation in the next 30 days (EPSS)
  • Public exploit code is available
  • A fix is available

Affected software

In the news

CVE-2026-6429 at the National Vulnerability Database