Infrastructure

Envoy: supported versions and open vulnerabilities today

Envoy 1.40, 1.39, 1.38 and 1.37 are supported (1.37 until Jan 13, 2027); 1.36 reached end of life on Oct 14, 2026; the latest release is 1.40.0. 1 high or critical advisory for Envoy was published in the last 12 months; none of its advisories is on CISA’s list of exploited vulnerabilities.

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

Latest release
1.40.0
GitHub stars
29.1k
Licence
Apache-2.0
OpenSSF Scorecard
9.1 / 10

Supported versions

Envoy release lines and security support dates from endoflife.date
VersionSecurity supportLatestReleased
Envoy 1.40Supported: Until 1.40.0
Envoy 1.39Supported: Until 1.39.4
Envoy 1.38Supported: Until 1.38.7
Envoy 1.37Ending soon: Until 1.37.9
Envoy 1.36Ended: Ended 1.36.13
Envoy 1.35Ended: Ended 1.35.13
Envoy 1.34Ended: Ended 1.34.14

Security advisories

OSV.dev, CISA KEV and FIRST EPSS

8 advisories published in the last 12 months, 1 of them high or critical. 11 in total since records began. Checked packages: github.com/envoyproxy/envoy.

  • HighCVE-2026-26308Published

    Envoy has RBAC Header Validation Bypass via Multi-Value Header Concatenation

    Fixed in 1.34.13, 1.35.9, 1.36.5 and 1.37.1.

    EPSS: top 73%

All github.com/envoyproxy/envoy advisories on OSV.dev

Maintenance and supply chain

OpenSSF Scorecard 9.1 / 10 (scored )

The Scorecard rates the repository’s security practices, not known vulnerabilities. Recent activity: 30 commits and 14 issue updates found in the last 90 days.

Weakest checks

  • No branch protection (Branch-Protection 4/10)

Full ScorecardSource repository

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Check Envoy in your own stack

This page checks Envoy 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.