0.0
NA
CVE-2026-6429
netrc credential leak with reused proxy connection
Description

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.

INFO

Published Date :

May 13, 2026, 8:28 a.m.

Last Modified :

May 13, 2026, 8:28 a.m.

Remotely Exploit :

No

Source :

curl
Affected Products

The following products are affected by CVE-2026-6429 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Haxx curl
Solution
Avoid using .netrc with redirects or update libcurl to prevent credential leaks.
  • Do not use .netrc file with redirects.
  • Update libcurl to the latest version.
  • Review credential handling for redirects.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-6429 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.