Complete end-of-life dates, support windows, and security status for all Prometheus versions. Data sourced from endoflife.date and official vendor documentation. Updated at every deploy.
| Version | Latest Release | Release Date | EOL Date | Days | Status |
|---|---|---|---|---|---|
| 2.36 | 2.36.2 | May 30, 2022 | Jul 11, 2022 | 1398 days past EOL | EOL |
| 2.37 LTS | 2.37.9 | Jul 14, 2022 | Jul 31, 2023 | 1013 days past EOL | EOL |
| 2.38 | 2.38.0 | Aug 16, 2022 | Sep 27, 2022 | 1320 days past EOL | EOL |
| 2.39 | 2.39.2 | Oct 5, 2022 | Nov 16, 2022 | 1270 days past EOL | EOL |
| 2.40 | 2.40.7 | Nov 7, 2022 | Dec 19, 2022 | 1237 days past EOL | EOL |
| 2.41 | 2.41.0 | Dec 20, 2022 | Jan 31, 2023 | 1194 days past EOL | EOL |
| 2.42 | 2.42.0 | Jan 31, 2023 | Mar 14, 2023 | 1152 days past EOL | EOL |
| 2.43 | 2.43.1 | Mar 21, 2023 | May 2, 2023 | 1103 days past EOL | EOL |
| 2.44 | 2.44.0 | May 14, 2023 | Aug 6, 2023 | 1007 days past EOL | EOL |
| 2.45 LTS | 2.45.6 | Jun 23, 2023 | Jul 31, 2024 | 647 days past EOL | EOL |
| 2.46 | 2.46.0 | Jul 25, 2023 | Sep 5, 2023 | 977 days past EOL | EOL |
| 2.47 | 2.47.2 | Sep 6, 2023 | Oct 18, 2023 | 934 days past EOL | EOL |
| 2.48 | 2.48.1 | Nov 15, 2023 | Dec 28, 2023 | 863 days past EOL | EOL |
| 2.49 | 2.49.1 | Jan 15, 2024 | Feb 26, 2024 | 803 days past EOL | EOL |
| 2.50 | 2.50.1 | Feb 22, 2024 | Apr 4, 2024 | 765 days past EOL | EOL |
| 2.51 | 2.51.2 | Mar 19, 2024 | Apr 30, 2024 | 739 days past EOL | EOL |
| 2.52 | 2.52.0 | May 8, 2024 | Jun 19, 2024 | 689 days past EOL | EOL |
| 2.53 LTS | 2.53.5 | Jun 16, 2024 | Jul 31, 2025 | 282 days past EOL | EOL |
| 2.54 | 2.54.1 | Aug 9, 2024 | Sep 20, 2024 | 596 days past EOL | EOL |
| 2.55 | 2.55.1 | Oct 22, 2024 | Dec 3, 2024 | 522 days past EOL | EOL |
| 3.0 | 3.0.1 | Nov 14, 2024 | Dec 26, 2024 | 499 days past EOL | EOL |
| 3.1 | 3.1.0 | Jan 2, 2025 | Feb 13, 2025 | 450 days past EOL | EOL |
| 3.2 | 3.2.1 | Feb 17, 2025 | Mar 31, 2025 | 404 days past EOL | EOL |
| 3.3 | 3.3.1 | Apr 15, 2025 | May 27, 2025 | 347 days past EOL | EOL |
| 3.4 | 3.4.2 | May 17, 2025 | Jun 28, 2025 | 315 days past EOL | EOL |
| 3.5 LTS | 3.5.3 | Jul 14, 2025 | Jul 31, 2026 | 83 days remaining | Warning |
| 3.6 | 3.6.0 | Sep 17, 2025 | Nov 2, 2025 | 188 days past EOL | EOL |
| 3.7 | 3.7.3 | Oct 15, 2025 | Nov 26, 2025 | 164 days past EOL | EOL |
| 3.8 | 3.8.1 | Nov 28, 2025 | Jan 9, 2026 | 120 days past EOL | EOL |
| 3.9 | 3.9.1 | Jan 6, 2026 | Feb 17, 2026 | 81 days past EOL | EOL |
| 3.10 | 3.10.0 | Feb 25, 2026 | Apr 8, 2026 | 31 days past EOL | EOL |
| 3.11 | 3.11.3 | Apr 2, 2026 | May 14, 2026 | 5 days remaining | Warning |
When a Prometheus version reaches end of life, the maintainers stop issuing security patches. Vulnerabilities discovered after this date are publicly disclosed on the National Vulnerability Database, exploit code appears on GitHub, and your systems remain permanently exposed.
The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the accumulation of unpatched vulnerabilities in EOL software. With a zero-day, nobody knows about the vulnerability. With EOL software, the vulnerability is public — listed, rated, and often weaponized — but no patch will ever exist. This is the most dangerous gap in enterprise security posture.
Organizations running EOL Prometheus should treat it as a vulnerability class in their risk register, apply compensating controls (network segmentation, enhanced monitoring, access restriction), and prioritize migration to a supported version.
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