CVE-2023-45143

Name of the Vulnerable Software and Affected Versions Undici versions prior to 5.26.2

Description The issue is related to the handling of headers in the Undici HTTP/1.1 client for Node.js. Specifically, prior to version 5.26.2, Undici cleared Authorization headers on cross-origin redirects but did not clear cookie headers. By design, cookie headers are forbidden request headers, which can lead to accidental leakage of cookies to a third-party site or allow a malicious attacker to leak cookies if they can control the redirection target.

Recommendations For versions prior to 5.26.2, update to version 5.26.2 or later to resolve the issue. As a temporary workaround, consider restricting access to sensitive cookie headers until the update can be applied.