Is Istio 1.25.5 patched?
Current stable (1.30.1): 100/100
1.25.5 has 1 open critical-or-high vulnerability. Run 1.27.8 or later to clear it. See what 1.27.8 fixes →
Summary iPlain-English security status for Istio 1.25.5, built from its CVEs, active-exploitation data, end-of-life date and latest release.
Istio 1.25.5 is part of the 1.25 release line. 4 known vulnerabilities affect it. The minimum safe version is 1.27.8 — upgrade to it or later to clear the open critical/high issues. The 1.25 line reached end-of-life on 2025-09-30, so it no longer receives security patches. The latest supported Istio release is 1.30.1.
Known issues affecting 1.25.5
Exploited first, then by exploitation probability.
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 1.29.1 CVE-2026-39350 MEDIUM EPSS 0% → fixed in 1.29.2Other Istio versions
Check another release line of Istio.
Frequently asked
Is Istio 1.25.5 patched?
Istio 1.25.5 is end-of-life and no longer receives security patches. Move to 1.30.1.
What version should I upgrade Istio 1.25.5 to?
Upgrade Istio 1.25.5 to at least 1.27.8 to clear its 1 open critical-or-high vulnerability.
When does Istio 1.25 reach end-of-life?
Istio 1.25 reached end-of-life on 2025-09-30 and no longer receives security patches.
What is the latest version of Istio?
The latest supported Istio release is 1.30.1.
Is Istio 1.25.5 still receiving security updates?
No — Istio 1.25.5 is on the 1.25 line, which reached end-of-life on 2025-09-30 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 ↗