Improper Certificate Validation

Overview undici is an An HTTP/1.1 client, written from scratch for Node.js Affected versions of this package are vulnerable to Improper Certificate Validation in the BalancedPool class, which deep-clones its connect and tls options with JSON.parseJSON.stringify... and thereby silently drops any...

DEBIAN-CVE-2026-84961

undici's BalancedPool constructor passes its entire options object through an internal deep-clone that serializes and reparses the value as JSON. Because JSON cannot represent functions, any function-valued TLS option, such as a caller-supplied checkServerIdentity callback or a custom connector...