Su San Talks Tech
Oct 22, 2026 · Information Security
Critical Java JSSE Vulnerability CVE-2026-91403 (CVSS 9.1) Affects All Major JDK Versions
The article details CVE-2026-91403, a critical CVSS 9.1 vulnerability in Java's JSSE component affecting JDK 8, 11, 17, 21, 25, and 27, allowing remote unauthenticated attackers to compromise TLS communications, and provides upgrade and mitigation guidance.
CVE-2026-91403CVSS 9.1JDK upgrade
0 likes · 13 min read