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News

Select security bulletins, release announcements, or support announcements to stay up to date.

Support for Istio 1.26 has ended

Istio 1.26 end of life announcement.

Announcing Istio 1.28.2

Istio 1.28.2 patch release.

Announcing Istio 1.27.5

Istio 1.27.5 patch release.

Announcing Istio 1.26.8

Istio 1.26.8 patch release.

ISTIO-SECURITY-2025-003

CVEs reported by Envoy.

CVE(s): CVE-2025-66220 , CVE-2025-64527 , CVE-2025-64763
CVSS: 8.1
Affected versions: 1.28.0 , 1.27.0 to 1.27.3 , 1.26.0 to 1.26.6

Announcing Istio 1.28.1

Istio 1.28.1 patch release.

Announcing Istio 1.27.4

Istio 1.27.4 patch release.

Announcing Istio 1.26.7

Istio 1.26.7 patch release.

Support for Istio 1.26 ends on 19 December, 2025

Upcoming Istio 1.26 end of life announcement.

Announcing Istio 1.28.0

Istio 1.28 Release Announcement.

Change Notes

Istio 1.28.0 release notes.

ISTIO-SECURITY-2025-002

CVEs reported by Envoy.

CVE(s): CVE-2025-55162 , CVE-2025-54588
CVSS: 6.6
Affected versions: 1.27.0 to 1.27.1 , 1.26.0 to 1.26.5

Announcing Istio 1.27.3

Istio 1.27.3 patch release.

Announcing Istio 1.26.6

Istio 1.26.6 patch release.

Announcing Istio 1.27.2

Istio 1.27.2 patch release.

Announcing Istio 1.26.5

Istio 1.26.5 patch release.

Support for Istio 1.25 has ended

Istio 1.25 end of life announcement.

ISTIO-SECURITY-2025-001

CVEs reported by Envoy.

CVE(s): CVE-2025-55162 , CVE-2025-54588
CVSS: 7.5
Affected versions: 1.27.0 , 1.26.0 to 1.26.3 , 1.25.0 to 1.25.4

Announcing Istio 1.27.1

Istio 1.27.1 patch release.

Announcing Istio 1.26.4

Istio 1.26.4 patch release.

Announcing Istio 1.25.5

Istio 1.25.5 patch release.

Support for Istio 1.25 ends on September 22, 2025

Upcoming Istio 1.25 end of life announcement.

Announcing Istio 1.27.0

Istio 1.27 Release Announcement.

Istio 1.27.0 Change Notes

Istio 1.27.0 release notes.

Announcing Istio 1.25.4

Istio 1.25.4 patch release.

Announcing Istio 1.26.3

Istio 1.26.3 patch release.

Support for Istio 1.24 has ended

Istio 1.24 end of life announcement.

Announcing Istio 1.26.2

Istio 1.26.2 patch release.

Support for Istio 1.24 ends on June 19, 2025

Upcoming Istio 1.24 end of life announcement.

Announcing Istio 1.26.1

Istio 1.26.1 patch release notes.

Announcing Istio 1.25.3

Istio 1.25.3 patch release.

Announcing Istio 1.24.6

Istio 1.24.6 patch release.

Announcing Istio 1.26.0

Istio 1.26 Release Announcement.

Istio 1.26.0 Change Notes

Istio 1.26.0 release notes.

Support for Istio 1.23 has ended

Istio 1.23 end of life announcement.

Announcing Istio 1.25.2

Istio 1.25.2 patch release.

Announcing Istio 1.24.5

Istio 1.24.5 patch release.

Announcing Istio 1.23.6

Istio 1.23.6 patch release.

Announcing Istio 1.25.1

Istio 1.25.1 patch release.

Announcing Istio 1.24.4

Istio 1.24.4 patch release.

Support for Istio 1.23 ends on April 16, 2025

Upcoming Istio 1.23 end of life announcement.

Announcing Istio 1.25.0

Istio 1.25 Release Announcement.

Istio 1.25 Upgrade Notes

Important changes to consider when upgrading to Istio 1.25.0.

Istio 1.25.0 Change Notes

Istio 1.25.0 release notes.

Announcing Istio 1.23.5

Istio 1.23.5 patch release.

Announcing Istio 1.24.3

Istio 1.24.3 patch release.

Support for Istio 1.22 has ended

Istio 1.22 end of life announcement.

Announcing Istio 1.22.8

Istio 1.22.8 patch release.

Support for Istio 1.22 ends on January 21st, 2025

Upcoming Istio 1.22 end of life announcement.

ISTIO-SECURITY-2024-007

CVEs reported by Envoy.

CVE(s): CVE-2024-53269 , CVE-2024-53270 , CVE-2024-53271
CVSS: 7.5
Affected versions: 1.22.0 to 1.22.6 , 1.23.0 to 1.23.3 , 1.24.0 to 1.24.1

Announcing Istio 1.24.2

Istio 1.24.2 patch release.

Announcing Istio 1.23.4

Istio 1.23.4 patch release.

Announcing Istio 1.22.7

Istio 1.22.7 patch release.

Announcing Istio 1.24.0

Istio 1.24 Release Announcement.

Istio 1.24 Upgrade Notes

Important changes to consider when upgrading to Istio 1.24.0.

Istio 1.24.0 Change Notes

Istio 1.24.0 release notes.

Announcing Istio 1.23.3

Istio 1.23.3 patch release.

Announcing Istio 1.22.6

Istio 1.22.6 patch release.

Support for Istio 1.21 has ended

Istio 1.21 end of life announcement.

Announcing Istio 1.21.6

Istio 1.21.6 patch release.

ISTIO-SECURITY-2024-006

CVEs reported by Envoy.

CVE(s): CVE-2024-45807 , CVE-2024-45808 , CVE-2024-45806 , CVE-2024-45809 , CVE-2024-45810
CVSS: 7.5
Affected versions: 1.22.0 to 1.22.4 , 1.23.0 to 1.23.1

Announcing Istio 1.23.2

Istio 1.23.2 patch release.

Announcing Istio 1.22.5

Istio 1.22.5 patch release.

Announcing Istio 1.23.1

Istio 1.23.1 patch release.

Support for Istio 1.21 ends on September 27, 2024

Upcoming Istio 1.21 end of life announcement.

Announcing Istio 1.22.4

Istio 1.22.4 patch release.

Announcing Istio 1.23.0

Istio 1.23 Release Announcement.

Istio 1.23 Upgrade Notes

Important changes to consider when upgrading to Istio 1.23.0.

Istio 1.23.0 Change Notes

Istio 1.23.0 release notes.

Announcing Istio 1.22.3

Istio 1.22.3 patch release.

Announcing Istio 1.21.5

Istio 1.21.5 patch release.

Announcing Istio 1.20.8

Istio 1.20.8 patch release.

ISTIO-SECURITY-2024-005

CVEs reported by Envoy.

CVSS: 7.5
Affected versions: 1.21.0 to 1.21.3 , 1.22.0 to 1.22.1

Announcing Istio 1.22.2

Istio 1.22.2 patch release.

Announcing Istio 1.21.4

Istio 1.21.4 patch release.

Support for Istio 1.20 has ended

Istio 1.20 end of life announcement.

ISTIO-SECURITY-2024-004

CVEs reported by Envoy.

CVE(s): CVE-2024-32976 , CVE-2024-32975 , CVE-2024-32974 , CVE-2024-34363 , CVE-2024-34362 , CVE-2024-23326 , CVE-2024-34364
CVSS: 7.5
Affected versions: All releases prior to 1.20.0 , 1.20.0 to 1.20.6 , 1.21.0 to 1.21.2 , 1.22.0

Announcing Istio 1.22.1

Istio 1.22.1 patch release.

Announcing Istio 1.21.3

Istio 1.21.3 patch release.

Announcing Istio 1.20.7

Istio 1.20.7 patch release.

Support for Istio 1.20 ends on June 25, 2024

Upcoming Istio 1.20 end of life announcement.

Announcing Istio 1.22.0

Istio 1.22 Release Announcement.

Istio 1.22 Upgrade Notes

Important changes to consider when upgrading to Istio 1.22.x.

Istio 1.22.0 Change Notes

Istio 1.22.0 release notes.

Support for Istio 1.19 has ended

Istio 1.19 end of life announcement.

ISTIO-SECURITY-2024-003

CVEs reported by Envoy.

CVE(s): CVE-2024-32475
CVSS: 7.5
Affected versions: All releases prior to 1.19.0 , 1.19.0 to 1.19.9 , 1.20.0 to 1.20.5 , 1.21.0 to 1.21.1

Announcing Istio 1.21.2

Istio 1.21.2 patch release.

Announcing Istio 1.20.6

Istio 1.20.6 patch release.

Announcing Istio 1.19.10

Istio 1.19.10 patch release.

ISTIO-SECURITY-2024-002

CVEs reported by Envoy and Go.

CVE(s): CVE-2024-27919 , CVE-2024-30255 , CVE-2023-45288
CVSS: 7.5
Affected versions: All releases prior to 1.19.0 , 1.19.0 to 1.19.8 , 1.20.0 to 1.20.4 , 1.21.0

Announcing Istio 1.21.1

Istio 1.21.1 patch release.

Announcing Istio 1.20.5

Istio 1.20.5 patch release.

Announcing Istio 1.19.9

Istio 1.19.9 patch release.

Support for Istio 1.19 ends on April 24, 2024

Upcoming Istio 1.19 end of life announcement.

Announcing Istio 1.20.4

Istio 1.20.4 patch release.

Announcing Istio 1.19.8

Istio 1.19.8 patch release.

Announcing Istio 1.21.0

Istio 1.21 Release Announcement.

Istio 1.21 Upgrade Notes

Important changes to consider when upgrading to Istio 1.21.x.

Istio 1.21.0 Change Notes

Istio 1.21.0 release notes.

ISTIO-SECURITY-2024-001

CVEs reported by Envoy.

CVE(s): CVE-2024-23322 , CVE-2024-23323 , CVE-2024-23324 , CVE-2024-23325 , CVE-2024-23327
CVSS: 8.6
Affected versions: All releases prior to 1.19.0 , 1.19.0 to 1.19.6 , 1.20.0 to 1.20.2

Announcing Istio 1.20.3

Istio 1.20.3 patch release.

Announcing Istio 1.19.7

Istio 1.19.7 patch release.

Announcing Istio 1.20.2

Istio 1.20.2 patch release.

Announcing Istio 1.19.6

Istio 1.19.6 patch release.

Support for Istio 1.18 has ended

Istio 1.18 end of life announcement.

Announcing Istio 1.18.7

Istio 1.18.7 patch release.

ISTIO-SECURITY-2023-005

Changes to Istio CNI RBAC permissions.

CVSS: N/A
Affected versions: All releases prior to 1.18.0 , 1.18.0 to 1.18.5 , 1.19.0 to 1.19.4 , 1.20.0

Announcing Istio 1.20.1

Istio 1.20.1 patch release.

Announcing Istio 1.19.5

Istio 1.19.5 patch release.

Announcing Istio 1.18.6

Istio 1.18.6 patch release.

Support for Istio 1.18 ends on December 26, 2023

Upcoming Istio 1.18 end of life announcement.

Announcing Istio 1.20.0

Istio 1.20 Release Announcement.

Istio 1.20 Upgrade Notes

Important changes to consider when upgrading to Istio 1.20.

Istio 1.20.0 Change Notes

Istio 1.20.0 change notes.

Announcing Istio 1.19.4

Istio 1.19.4 patch release.

Support for Istio 1.17 has ended

Istio 1.17 end of life announcement.

ISTIO-SECURITY-2023-004

CVEs reported by Envoy and Go.

CVE(s): CVE-2023-44487 , CVE-2023-39325
CVSS: 7.5
Affected versions: All releases prior to 1.17.0 , 1.17.0 to 1.17.6 , 1.18.0 to 1.18.3 , 1.19.0 to 1.19.1

Announcing Istio 1.19.3

Istio 1.19.3 patch release.

Announcing Istio 1.18.5

Istio 1.18.5 patch release.

Announcing Istio 1.17.8

Istio 1.17.8 patch release.

Announcing Istio 1.19.1

Istio 1.19.1 patch release.

Support for Istio 1.17 ends on October 27, 2023

Upcoming Istio 1.17 end of life announcement.

Announcing Istio 1.17.6

Istio 1.17.6 patch release.

Announcing Istio 1.18.3

Istio 1.18.3 patch release.

Announcing Istio 1.19.0

Istio 1.19 Release Announcement.