CVE-2026-9177: SecureTransport 5.5-20260326 to before 5.5-20260528

Affected technology

SecureTransport · 5.5-20260326 to before 5.5-20260528
Axway

Description’s affected range: version 5.5-20260326

Component: Not specified by the source

Attack conditions (Source advisory, CVSS 4.0): Network (remote) · High privileges required · No user interaction required

What an attacker can do

An attacker with admin privileges can inject arbitrary Java code expressions, which are executed server-side when the template is rendered (i.e., during email sending). Source advisory’s CVSS 4.0 assessment (base score 9.4/10) rates confidentiality, integrity and availability impact as high.