Project Summary
SnakeYAML is a YAML parser and emitter for the Java programming language. SnakeYAML tries to be as close as possible to PyYAML API allowing documents to be easily exchanged between Python and Java.
SnakeYAML features
* a complete YAML 1.1 parser. In particular, SnakeYAML can parse all examples from the specification.
* Unicode support including UTF-8/UTF-16 input/output.
* high-level API for serializing and deserializing native Java objects.
* support for all types from the YAML types repository.
* relatively sensible error messages.
In a Nutshell, SnakeYAML...
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has a well established, mature codebase
maintained by a small development team
with decreasing Y-O-Y commits -
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took an estimated 11 years of effort (COCOMO model)
starting with its first commit in March, 2009
ending with its most recent commit 15 days ago
Quick Reference
Apache License 2.0
Permitted
Commercial Use
Modify
Distribute
Place Warranty
Sub-License
Private Use
Use Patent Claims
Forbidden
Hold Liable
Use Trademarks
Required
Include Copyright
State Changes
Include License
Include Notice
These details are provided for information only. No information here is legal advice and should not be used as such.
Project Security
Vulnerabilities per Version ( last 10 releases )
Project Vulnerability Report
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Vulnerability Exposure Index
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30 Day SummaryFeb 10 2026 — Mar 12 2026
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12 Month SummaryMar 12 2025 — Mar 12 2026
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