Composer · Lifecycle Status

Composer End of Life (EOL) Dates & Support Timeline

Q: What is the latest supported version of Composer?

The latest active version of Composer is 2.10.1. Always verify against the table above as support windows can change.

Complete end-of-life dates, support windows, and security status for all Composer versions. Data sourced from endoflife.date and official vendor documentation. Updated at every deploy.

Latest Active

2.10.1

2.10 series

Next EOL

—

None upcoming

Active Versions

of 12 total

EOL Versions

no longer patched

Medium Risk

EOL Risk Score™ How is this calculated? →

EOL Recency

25/40

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 →

Release Cycle Timeline

■ EOL ■ Warning ■ Active ┊ Today

All Versions

Version	Latest Release	Release Date	EOL Date	Days	Status
1	1.10.28	Apr 5, 2016	Oct 24, 2020	2068 days past EOL	EOL
2.0	2.0.14	Oct 24, 2020	Jun 3, 2021	1846 days past EOL	EOL
2.1	2.1.14	Jun 3, 2021	Dec 22, 2021	1644 days past EOL	EOL
2.2 LTS	2.2.28	Dec 22, 2021	TBD	Supported	Active
2.3	2.3.10	Mar 30, 2022	Aug 16, 2022	1407 days past EOL	EOL
2.4	2.4.4	Aug 16, 2022	Dec 20, 2022	1281 days past EOL	EOL
2.5	2.5.8	Dec 20, 2022	Sep 1, 2023	1026 days past EOL	EOL
2.6	2.6.6	Sep 1, 2023	Feb 8, 2024	866 days past EOL	EOL
2.7	2.7.9	Feb 8, 2024	Oct 2, 2024	629 days past EOL	EOL
2.8	2.8.12	Oct 2, 2024	Nov 13, 2025	222 days past EOL	EOL
2.9	2.9.8	Nov 13, 2025	May 28, 2026	26 days past EOL	EOL
2.10	2.10.1	May 28, 2026	TBD	Supported	Active

What does Composer end of life mean for your organization?

When a version of Composer 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 Composer 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.

Extended Support Options

If you cannot migrate immediately, extended support vendors provide continued security patches for EOL Composer versions. This is a bridge, not a permanent solution — plan your migration in parallel.

endoflife.ai

Need Extended Support?

We work with vetted extended support vendors. Tell us what you need and we'll connect you with the right provider.

Frequently Asked Questions

What is the end-of-life date for Composer?

See the full table above for all Composer version EOL dates.

When is the Composer support end date?

Each Composer version has its own support end date — see the table above for every version's date.

What is the latest supported version of Composer?

The latest active version of Composer is 2.10.1. Always verify against the table above as support windows can change.

What happens when Composer reaches end of life?

When Composer reaches end of life, the vendor stops issuing security patches. Any CVEs disclosed after the EOL date accumulate indefinitely with no patch path — creating an ever-growing attack surface that most vulnerability scanners do not flag.

How do I check if I'm running an EOL version of Composer?

Check your current version against the table above. If your version's EOL date has passed, you are running unsupported software. You can also use the endoflife.ai Stack Scanner to check your entire dependency file at once.

Is there extended support available for EOL Composer versions?

Some vendors offer extended support for EOL software. Contact the original vendor or check with enterprise support providers for options.

Related Products

Data from endoflife.date API · endoflife.date · Generated at build time · How we source data →