OpenClaw before 2026.3.31 contains a credential exposure vulnerability in media download functionality that forwards Authorization headers across cross-origin redirects. Attackers can exploit this by crafting malicious cross-origin redirect chains to intercept sensitive authorization credentials intended for legitimate requests.

Lynx through 2.8.9 mishandles the userinfo subcomponent of a URI, which allows remote attackers to discover cleartext credentials because they may appear in SNI data.

When curl is instructed to get content using the metalink feature, and a user name and password are used to download the metalink XML file, those same credentials are then subsequently passed on to each of the servers from which curl will download or try to download the contents from. Often contrary to the user's expectations and intentions and without telling the user it happened.