SnakeYAML 2 · Version Status

SnakeYAML 2 End of Life Date

SnakeYAML 2 end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.

SnakeYAML 2 is actively supported. EOL date: TBD.
EOL Date
TBD
Supported
Latest Release
2.6
Standard release
Release Date
Feb 26, 2023
SnakeYAML 2 series
← SnakeYAML 1 All SnakeYAML versions
10 / 100
Low Risk
EOL Risk Score™  How is this calculated? →
EOL Recency
0/40
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 →  ·  View score card →
All SnakeYAML Versions
VersionLatestEOL DateStatus
1 1.33 Feb 26, 2023 EOL
2 2.6 EOL Active

What does SnakeYAML 2 end of life mean?

When SnakeYAML 2 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 SnakeYAML 2 past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.

Migrate to SnakeYAML 2 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.

Frequently Asked Questions
When does SnakeYAML 2 reach end of life?
SnakeYAML 2 has already reached end of life.
Is SnakeYAML 2 still supported?
Yes, SnakeYAML 2 is currently supported. The EOL date is TBD.
What should I upgrade to from SnakeYAML 2?
The recommended upgrade from SnakeYAML 2 is SnakeYAML 2 — the latest actively supported version. Check the SnakeYAML full timeline for all supported versions.
What are the security risks of running SnakeYAML 2 past EOL?
When SnakeYAML 2 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 SnakeYAML should migrate immediately or implement compensating controls.
Data from endoflife.date API · Generated at build time · How we source data →