Infrastructure

Istio: supported versions and open vulnerabilities today

Istio 1.31 and 1.30 are supported (1.31 until Feb 28, 2027); 1.29 reached end of life on Oct 15, 2026; the latest release is 1.31.2. No high or critical advisories for Istio were published in the last 12 months (2 lower-severity); none of its advisories is on CISA’s list of exploited vulnerabilities.

Last checked against endoflife.date, OSV.dev, CISA KEV and deps.dev.

Latest release
1.31.2
GitHub stars
38.4k
Licence
Apache-2.0
OpenSSF Scorecard
6.3 / 10

Supported versions

Istio release lines and security support dates from endoflife.date
VersionSecurity supportLatestReleased
Istio 1.31Ending soon: Until 1.31.2
Istio 1.30Ending soon: Until 1.30.6
Istio 1.29Ended: Ended 1.29.9
Istio 1.28Ended: Ended 1.28.10
Istio 1.27Ended: Ended 1.27.9

Security advisories

OSV.dev, CISA KEV and FIRST EPSS

2 advisories published in the last 12 months. 10 in total since records began. Checked packages: istio.io/istio.

All istio.io/istio advisories on OSV.dev

Maintenance and supply chain

OpenSSF Scorecard 6.3 / 10 (scored )

The Scorecard rates the repository’s security practices, not known vulnerabilities. Recent activity: 30 commits and 6 issue updates found in the last 90 days.

Weakest checks

  • Unsigned releases (Signed-Releases 0/10)
  • No static analysis (SAST 0/10)
  • Unpinned build dependencies (Pinned-Dependencies 1/10)

Full ScorecardSource repository

Alternatives

  • Linkerd

    Lightweight service mesh for Kubernetes

    Strengths

    • Simpler than Istio
    • Lower resource usage

    Trade-offs

    • Kubernetes-only
    • Fewer features than Istio
  • Consul Connect

    Service mesh built into HashiCorp Consul

    Strengths

    • Integrates with HashiCorp ecosystem (Vault, Nomad)
    • Multi-platform support (Kubernetes, VMs, serverless)

    Trade-offs

    • Less feature-rich than Istio for advanced scenarios
    • Smaller community compared to Istio/Linkerd
    Consul Connect health today
  • Kuma

    Universal service mesh built on Envoy

    Strengths

    • Platform-agnostic (Kubernetes, VMs, multi-cloud)
    • Built on proven Envoy proxy

    Trade-offs

    • Younger project with smaller community
    • Less battle-tested than Istio
  • AWS App Mesh

    AWS-managed service mesh built on Envoy

    Strengths

    • Fully managed by AWS (no control plane management)
    • Deep integration with AWS services (ECS, EKS, Fargate)

    Trade-offs

    • AWS vendor lock-in
    • Limited to AWS ecosystem

Check Istio in your own stack

This page checks Istio in general. Your repo pins specific versions: the free dependency check reads your manifests and lists what to fix first. Prism Agent runs the same live checks on your whole stack and turns them into a plan your coding agent can build.