Contour 1.27 · Version Status
Contour 1.27 End of Life Date
Contour 1.27 end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.
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Contour 1.27 is past end of life. This version no longer receives security patches. 745 days past EOL — migrate to a supported version immediately.
EOL Date
Jul 31, 2024
745 days past EOL
Latest Release
1.27.4
Standard release
Release Date
Oct 30, 2023
Contour 1.27 series
Lifecycle detail
Contour 1.27 was released on October 30, 2023 and support ended on July 31, 2024 — a supported lifespan of 9 months, in line with the 9 months median for Contour releases. The last patch it will ever receive is 1.27.4, published June 12, 2024 — 2 months before support ended. It has been without security patches for 2 years and 1 month. 3 newer Contour releases have shipped since.
Attack Surface
10/30 Medium tier
CISA KEV Exposure
0/20 Not in KEV
Extended Support
0/10 Available
EOL Risk Score™ — proprietary methodology by endoflife.ai. Factors: EOL recency, attack surface breadth, CISA KEV catalog presence, extended support availability. Updated at every build.
Methodology → ·
View score card →
Extended Support
Extended Contour 1.27 support is available
Commercial vendors offer security patches beyond EOL. Compare your options.
Compare Options →
| Version | Latest | EOL Date | Status |
|---|
| 1.24 |
1.24.6 |
Oct 30, 2023 |
EOL |
| 1.25 |
1.25.3 |
Feb 12, 2024 |
EOL |
| 1.26 |
1.26.3 |
May 7, 2024 |
EOL |
| → 1.27 |
1.27.4 |
Jul 31, 2024 |
EOL |
| 1.28 |
1.28.8 |
May 6, 2025 |
EOL |
| 1.29 |
1.29.5 |
May 15, 2025 |
EOL |
| 1.30 |
1.30.5 |
Sep 8, 2025 |
EOL |
| 1.31 |
1.31.6 |
EOL |
Active |
What does Contour 1.27 end of life mean?
When Contour 1.27 reaches end of life, the maintainers stop issuing security patches for this version. CVEs discovered after the EOL date are publicly disclosed on the National Vulnerability Database with no patch available. Exploit code frequently appears on GitHub within days of disclosure.
The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Running Contour 1.27 past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.
Migrate to Contour 1.33 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Contour 1.27 reach end of life?
Contour 1.27 reached end of life on July 31, 2024. This version is no longer receiving security patches.
Is Contour 1.27 still supported?
No. Contour 1.27 reached end of life on July 31, 2024 and is no longer receiving security patches.
What should I upgrade to from Contour 1.27?
The recommended upgrade from Contour 1.27 is
Contour 1.33 — the latest actively supported version. Check the
Contour full timeline for all supported versions.
What are the security risks of running Contour 1.27 past EOL?
When Contour 1.27 reaches end of life, the maintainers stop issuing security patches. Any CVEs disclosed after the EOL date accumulate with no remediation path. Most vulnerability scanners do not flag this — it is the CVE blind spot. Organizations running EOL Contour should migrate immediately or implement compensating controls.