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1.26.7

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Solo build of Istio version 1.26.7 patch release.

This release note describes what’s different between Solo builds of Istio versions 1.26.6 and 1.26.7.

Security Notice

This build includes a fix of Envoy CVEs:

  • CVE-2025-66220: (CVSS score 8.1, High): TLS certificate matcher for match_typed_subject_alt_names may incorrectly treat certificates with OTHERNAME SANs containing an embedded null byte as valid.
  • CVE-2025-64527: (CVSS score 6.5, Medium): Envoy crashes when JWT authentication is configured with the remote JWKS fetching.
  • CVE-2025-64763: (CVSS score 5.3, Medium): Potential request smuggling from early data after the CONNECT upgrade.

General Changes

  • Built against upstream Istio version 1.26.7, release note can be found here.

Solo Flavor Changes

No changes in this section.

FIPS Flavor Changes

No changes in this section.

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