CVE-2026-78415: IBM Sterling Secure Proxy

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

IBM Sterling Secure Proxy 6.2.0.0 through 6.2.1.2 could allow a remote authenticated attacker to perform UI spoofing and phishing attacks due to improper neutralization of user-supplied HTML markup.

Affected products

• IBM Sterling Secure Proxy: from 6.2.0.0, up to and including 6.2.1.2

Published 2026-09-14. Last modified 2026-09-16.