CVE-2026-91992

A flaw was found in Tornado's CurlAsyncHTTPClient. This vulnerability occurs because pycurl handles are reused across requests without proper state clearing. A remote attacker can exploit this by issuing requests through the same client instance, leading to the unintended persistence of sensitive...

EUVD-2026-78664

Tornado before 6.5.7 contains a credential leak vulnerability in CurlAsyncHTTPClient where pycurl handles are reused across requests without proper state clearing. Attackers can obtain sensitive credentials by issuing requests through the same client instance, allowing TLS certificates or proxy...