CVE-2026-73253 | Cesanta Mongoose up to 7.21 TLS Verification src/tls_builtin.c mg_tls_verify_cert_san/mg_tls_verify_cert_cn certificate validation

A vulnerability was found in Cesanta Mongoose up to 7.21. It has been rated as problematic. Affected is the function mg_tls_verify_cert_san/mg_tls_verify_cert_cn of the file src/tls_builtin.c of the component TLS Verification. This manipulation causes improper certificate validation.

The identification of this vulnerability is CVE-2026-73253. It is possible to initiate the attack remotely. There is no exploit available.

Upgrading the affected component is advised.VulDB Recent EntriesRead More