MongoDB 3.x — End of Life

EOL Actively exploited
EOL: Apr 30, 20214 releases in this series5 CVEs

MongoDB 3.x — All releases

VersionReleasedActive supportEOL dateLatest patchStatusAlert me
3.6Nov 30, 2017Apr 30, 20213.6.23EOL
3.4Nov 30, 2016Jan 31, 20203.4.24EOL
3.2Dec 31, 2015Sep 30, 20183.2.22EOL
3.0Mar 31, 2015Feb 28, 20183.0.15EOL

CVEs affecting MongoDB 3.x (5)

CVESeverityCVSSEPSSKEVCycleDescriptionPublished
CVE-2026-9753HIGH8.10.30%3.2The $_internalApplyOplogUpdate aggregation pipeline stage can be used to execute a document diff containing a malformed …Jun 9, 2026
CVE-2026-9753HIGH8.10.30%3.0The $_internalApplyOplogUpdate aggregation pipeline stage can be used to execute a document diff containing a malformed …Jun 9, 2026
CVE-2026-9753HIGH8.10.30%3.4The $_internalApplyOplogUpdate aggregation pipeline stage can be used to execute a document diff containing a malformed …Jun 9, 2026
CVE-2026-9753HIGH8.10.30%3.6The $_internalApplyOplogUpdate aggregation pipeline stage can be used to execute a document diff containing a malformed …Jun 9, 2026
CVE-2025-14847HIGH7.583.01% KEV 3.6Mismatched length fields in Zlib compressed protocol headers may allow a read of uninitialized heap memory by an unauthe…Dec 19, 2025

MongoDB 3.x is EOL — migrate to MongoDB 4.x

MongoDB 4.x is the next major release. Plan your upgrade before MongoDB 3.x stops receiving security patches.

See MongoDB 4.x

Frequently asked questions

Is MongoDB 3 end of life?

Yes. All MongoDB 3.x releases have reached end of life and no longer receive security patches. There are 5 known CVEs affecting MongoDB 3.x. Migrate to MongoDB 4.x as soon as possible.

What CVEs affect MongoDB 3?

There are 5 CVEs tracked for MongoDB 3.x and 1 listed in the CISA Known Exploited Vulnerabilities catalog. See the full list above with CVSS and EPSS scores.

What is the latest MongoDB 3 version?

The latest MongoDB 3.x patch release is 3.6.23, released on March 16, 2021. Always run the latest patch to benefit from all security fixes.

How to migrate from MongoDB 3 to MongoDB 4?

To migrate from MongoDB 3 to MongoDB 4: (1) review the official MongoDB 4 migration guide for breaking changes, (2) update dependencies and configuration accordingly, (3) test thoroughly in a staging environment, (4) deploy with a rollback plan. Starting early gives you time to resolve compatibility issues before your current version reaches end of life.

Is it safe to run MongoDB 3 in production?

No. MongoDB 3 has reached end of life and security vulnerabilities are no longer patched. Critically, 1 CVE affecting MongoDB 3.x is in the CISA KEV catalog — meaning they are actively exploited in the wild. Upgrade to a supported version immediately.

Data sourced from endoflife.date · CVE data from NVD · EPSS from FIRST.org · KEV from CISA