Istio ↗

Istio · Cloud / Service Mesh

Track your version:Monitors Istio and tailors your dashboard to that exact version.

1.30.1 · latest cycle100/100 Healthy

Summary iPlain-English security verdict for Istio, generated from its current health score, actively-exploited vulnerabilities, and latest supported version.

Istio currently scores 100/100 — healthy. 1 actively-exploited vulnerability (CISA KEV) affects older releases (e.g. CVE-2023-44487) — staying on the latest supported version keeps you clear of it. The latest supported release is 1.30.1. It's on the latest patch with no significant known issues — keep it current.

Disclosure trend iNew CVEs published for Istio each year (NVD). A higher bar means more disclosures that year — more scrutiny, not necessarily less safe.

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Patch priority — what to act on iThe issues to fix first — actively exploited (CISA KEV) first, then by exploitation probability (EPSS), then severity. Each row's "→ fixed in" is the earliest version that patches it; "see advisory" means no fixed version is published.

Most urgent first — actively exploited, then likeliest to be exploited.

CVE-2023-44487 HIGH exploited Uncontrolled resource consumption EPSS 100% → fixed in 1.19.1 CVE-2021-31921 CRITICAL Missing authorization EPSS 1% → fixed in 1.9.5

See all 28 known Istio CVEs & security history →

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Versions & lifecycle iWhen each release line stops receiving security patches (end-of-life). After EOL there are no more fixes — plan upgrades before these dates.

How long each Istio release line is supported — and when it sunsets. Select a line for its full report.

Nov30'26 Istio 1.30EOL 2026-11-30

Aug31'26 Istio 1.29EOL 2026-08-31

Jun28'26 Istio 1.28EOL 2026-06-28

Apr7'26 Istio 1.27ended 2026-04-07

Dec22'25 Istio 1.26ended 2025-12-22

Sept30'25 Istio 1.25ended 2025-09-30

Jun24'25 Istio 1.24ended 2025-06-24

Apr16'25 Istio 1.23ended 2025-04-16

Jan22'25 Istio 1.22ended 2025-01-22

Sept27'24 Istio 1.21ended 2024-09-27

Jun25'24 Istio 1.20ended 2024-06-25

Apr24'24 Istio 1.19ended 2024-04-24

Full Istio end-of-life dates & support timeline →

1.30 latest 1.30.1 Supported until 2026-11-301.30.1 → 1.29 latest 1.29.4 Supported until 2026-08-311.29.4 → 1.28 latest 1.28.8 Supported until 2026-06-281.28.8 → 1.27 latest 1.27.9 End of life ended 2026-04-071.27.9 → 1.26 latest 1.26.8 End of life ended 2025-12-221.26.8 → 1.25 latest 1.25.5 End of life ended 2025-09-301.25.5 → 1.24 latest 1.24.6 End of life ended 2025-06-241.24.6 → 1.23 latest 1.23.6 End of life ended 2025-04-161.23.6 → 1.22 latest 1.22.8 End of life ended 2025-01-221.22.8 → 1.21 latest 1.21.6 End of life ended 2024-09-271.21.6 → See all upcoming end-of-life dates →

Frequently asked

Is Istio safe and patched?

What should I do about Istio now?

Upgrade Istio to the latest supported release (1.30.1) or later, which clears the actively-exploited issues affecting older versions, then confirm against Istio's official advisory.

When does Istio reach end-of-life?

The latest supported Istio release is 1.30.1. After end-of-life a release no longer receives security patches.

Which versions of Istio are still receiving security updates?

Supported Istio release lines (latest 1.30.1): 1.30, 1.29, 1.28. End-of-life releases no longer receive security patches.

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 ↗