Vulnerability Description
A Server-Side Template Injection (SSTI) vulnerability was identified in the mail template functionality of the Axway SecureTransport product in version 5.5-20260326. This flaw allows an attacker with admin privileges to inject arbitrary Java code expressions, which are executed server-side when the template is rendered (i.e., during email sending). Successful exploitation of this flaw allows an attacker to execute arbitrary code on the server that results in full host compromise. This issue affects all Axway SecureTransport versions prior 5.5-20260528 update.
Related Weaknesses (CWE)
References
- https://docs.hackjiji.org/blog/cve-2026-9177-ssti-in-securetransport-mft-gateway
- https://support.axway.com/news/4882/lang/en
- https://www.toreon.com/CVE-2026-9177
FAQ
What is CVE-2026-9177?
CVE-2026-9177 is a documented vulnerability. A Server-Side Template Injection (SSTI) vulnerability was identified in the mail template functionality of the Axway SecureTransport product in version 5.5-20260326. This flaw allows an attacker wi...
How severe is CVE-2026-9177?
CVSS scoring is not yet available for CVE-2026-9177. Check NVD for updates.
Is there a patch for CVE-2026-9177?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.