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.

Score

CVSS 3.1 5.3 Medium

Status

Modified - 2499f714-1537-4658-8207-48ae4bb9eae9

Published

2026-05-13

Last modified

2026-09-15

Weaknesses

CWE-200

Affected products

• Curl (Curl)
• Curl (Haxx)

References

• https://curl.se/docs/CVE-2026-6429.html
• https://curl.se/docs/CVE-2026-6429.json
• https://hackerone.com/reports/3677759