Python 3.15 · Version Status
Python 3.15 End of Life Date
Python 3.15 end-of-life date, support status, and CVE risk. Data reconciled from official vendor documentation and endoflife.date at every build; the source of each date is on the product page.
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Python 3.15 is actively supported. EOL date: October 31, 2031.
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EOL Date
Oct 31, 2031
1846 days remaining
Latest Release
3.15.0
Standard release
Release Date
Oct 9, 2026
Python 3.15 series
Lifecycle detail
Python 3.15 was released on October 9, 2026 and support is scheduled to end on October 31, 2031 — a planned supported lifespan of 5 years and 1 month, in line with the 5 years median for Python releases. Its most recent patch is 3.15.0, published October 9, 2026.
Attack Surface
30/30 Critical 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 →
| Version | Latest | EOL Date | Status |
|---|
| 2.6 |
2.6.9 |
Oct 29, 2013 |
EOL |
| 3.0 |
3.0.1 |
Jun 27, 2009 |
EOL |
| 3.1 |
3.1.5 |
Apr 9, 2012 |
EOL |
| 2.7 |
2.7.18 |
Jan 1, 2020 |
EOL |
| 3.2 |
3.2.6 |
Feb 20, 2016 |
EOL |
| 3.3 |
3.3.7 |
Sep 29, 2017 |
EOL |
| 3.4 |
3.4.10 |
Mar 18, 2019 |
EOL |
| 3.5 |
3.5.10 |
Sep 30, 2020 |
EOL |
What does Python 3.15 end of life mean?
When Python 3.15 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: A CVE-based scan does not show the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Some scanners flag unsupported versions of common products, but coverage varies, and none of them give you the date in advance. Running Python 3.15 past its EOL date creates a growing attack surface that a clean scan result does not rule out.
Migrate to Python 3.15 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Python 3.15 reach end of life?
Python 3.15 reaches end of life on October 31, 2031. That is 1846 days remaining.
Is Python 3.15 still supported?
Yes, Python 3.15 is currently supported. The EOL date is October 31, 2031.
What should I upgrade to from Python 3.15?
The recommended upgrade from Python 3.15 is
Python 3.15 — the latest actively supported version. Check the
Python full timeline for all supported versions.
What are the security risks of running Python 3.15 past EOL?
When Python 3.15 reaches end of life, the maintainers stop issuing security patches. Any CVEs disclosed after the EOL date accumulate with no vendor fix. A CVE-based scan does not show this — it is the CVE blind spot; some scanners flag unsupported versions of common products, but coverage varies and none give the date in advance. Organizations running EOL Python should migrate immediately or implement compensating controls.
Does Python track end-of-life by point release (e.g. Python 3.15.1, Python 3.15.2)?
No — Python end-of-life dates apply to the entire 3.15.x release series, not individual point releases. A point release like Python 3.15.1 or Python 3.15.2 shares the same EOL date as Python 3.15. Security patches stop for the entire 3.15.x line on that date, regardless of which patch version you are running. Check the table above for EOL dates by major version series.