Is Istio 1.12.9 patched?
Current stable (1.30.1): 100/100
1.12.9 has 3 open critical-or-high vulnerabilities. Run 1.27.8 or later to clear them. See what 1.27.8 fixes →
Summary iPlain-English security status for Istio 1.12.9, built from its CVEs, active-exploitation data, end-of-life date and latest release.
Istio 1.12.9 is part of the 1.12 release line. 1 actively-exploited vulnerability affects it (CISA KEV). The minimum safe version is 1.27.8 — upgrade to it or later to clear the open critical/high issues. The 1.12 line reached end-of-life on 2022-07-12, so it no longer receives security patches. The latest supported Istio release is 1.30.1.
Known issues affecting 1.12.9
Exploited first, then by exploitation probability.
CVE-2023-44487 HIGH exploited EPSS 100% → fixed in 1.19.1 CVE-2022-39278 HIGH EPSS 1% → fixed in 1.15.2 CVE-2026-41413 MEDIUM EPSS 0% → fixed in 1.29.2 CVE-2026-31837 HIGH EPSS 0% → fixed in 1.29.1 CVE-2026-31838 MEDIUM EPSS 0% → fixed in 1.29.1Other Istio versions
Check another release line of Istio.
Frequently asked
Is Istio 1.12.9 patched?
No — 1 actively-exploited vulnerability affects Istio 1.12.9. Upgrade to at least 1.27.8.
What version should I upgrade Istio 1.12.9 to?
Upgrade Istio 1.12.9 to at least 1.27.8 to clear its 3 open critical-or-high vulnerabilities.
When does Istio 1.12 reach end-of-life?
Istio 1.12 reached end-of-life on 2022-07-12 and no longer receives security patches.
What is the latest version of Istio?
The latest supported Istio release is 1.30.1.
Is Istio 1.12.9 still receiving security updates?
No — Istio 1.12.9 is on the 1.12 line, which reached end-of-life on 2022-07-12 and no longer receives security updates. Upgrade to 1.30.1 or later to stay supported.
Informational only, from public data (NVD · CISA KEV · EPSS · endoflife.date), and can lag or miss vendor-specific fixes. Always confirm against Istio's official advisory before you patch or upgrade — Istio official site ↗