Cilium End of Life (EOL) Dates and End of Support (EOS) Dates

Latest Release: 1.20.2 (September 15, 2026)

5 Cilium versions have reached End of Life (EOL) and End of Support (EOS), including Cilium 1.17 (EOL date: Jul 29, 2026) — no longer receiving security updates or patches. Cilium 1.20.2 is the current supported release — 3 versions in active support. Also see Argo Workflows end of support life for related end-of-life information.

Cilium end of life dates timeline — release schedule chart of the 8 most recent Cilium versions, mapping security support windows against their EOL dates — Cilium end of life dates and end of support (EOS) dates shown as a release schedule — support windows for the 8 most recent Cilium releases. Each bar runs from the release date to the end of security support, with the dashed line marking today. Exact Cilium EOL, EOS and EOSL dates for every version are listed in the tables below.

Currently Supported Cilium Releases - Active EOS/EOSL Support (3)

Release	Released	Maintenance Support	Latest
1.20	Jul 29, 2026 (2 months ago)	Active	1.20.2 2026-09-15 (3 weeks and 2 days ago)
1.19	Feb 03, 2026 (8 months ago)	Active	1.19.8 2026-09-15 (3 weeks and 2 days ago)
1.18	Jul 29, 2025 (1 year and 2 months ago)	Active	1.18.14 2026-09-15 (3 weeks and 2 days ago)

Cilium End of Life (EOL) Releases - No Longer Supported (5)

Release	Released	Maintenance Support	Latest
1.17	Feb 04, 2025 (1 year and 8 months ago)	Jul 29, 2026 (2 months ago)	1.17.18 2026-07-16 (2 months ago)
1.16	Jul 24, 2024 (2 years and 2 months ago)	Feb 03, 2026 (8 months ago)	1.16.19 2026-01-13 (8 months ago)
1.15	Jan 31, 2024 (2 years and 8 months ago)	Jul 29, 2025 (1 year and 2 months ago)	1.15.19 2025-07-16 (1 year and 2 months ago)
1.14	Jul 27, 2023 (3 years and 2 months ago)	Feb 04, 2025 (1 year and 8 months ago)	1.14.19 2025-01-21 (1 year and 8 months ago)
1.13	Feb 15, 2023 (3 years and 7 months ago)	Jul 24, 2024 (2 years and 2 months ago)	1.13.18 2024-07-11 (2 years and 2 months ago)

Cilium End of Life & Support Summary

Which Cilium Versions Are Currently Supported?

Cilium currently has 3 supported releases. Cilium 1.20.2 is the latest. Cilium 1.19. Also see Harbor end of life for related end-of-life information.

Cilium End of Life (EOL) Version History

5 Cilium releases have reached End of Life (EOL) and End of Support (EOS) — no longer receiving updates or patches. Cilium 1.17 reached EOL on Jul 29, 2026. Cilium 1.20.2 is the recommended upgrade for users still on End of Life versions.