yaml (npm)
YAML parser and serialiser for JavaScript
Advisories
5
Latest version
2.9.1
Released Sep 11, 2026
License
ISC
OpenSSF Scorecard
8.0 / 10
How to fix
Upgrading to 2.8.3 or later clears every advisory below that has a fix.
Upgrade commands
npm
npm install yaml@2.9.1yarn
yarn add yaml@2.9.1pnpm
pnpm add yaml@2.9.1Known vulnerabilities
| Advisory | Severity | Affected | Fixed in |
|---|---|---|---|
| GHSA-48c2-rrv3-qjmp yaml is vulnerable to Stack Overflow via deeply nested YAML collections |
Medium EPSS 0.49% |
>= 2.0.0, < 2.8.3 | 2.8.3 |
| GHSA-48c2-rrv3-qjmp yaml is vulnerable to Stack Overflow via deeply nested YAML collections |
Medium EPSS 0.49% |
>= 1.0.0, < 1.10.3 | 1.10.3 |
| GHSA-48c2-rrv3-qjmp yaml is vulnerable to Stack Overflow via deeply nested YAML collections |
Medium EPSS 0.49% |
>= 2.0.0, < 2.8.3 | 2.8.3 |
| GHSA-48c2-rrv3-qjmp yaml is vulnerable to Stack Overflow via deeply nested YAML collections |
Medium EPSS 0.49% |
>= 1.0.0, < 1.10.3 | 1.10.3 |
| GHSA-f9xv-q969-pqx4 Uncaught Exception in yaml |
High EPSS 1.09% |
>= 2.0.0-5, < 2.2.2 | 2.2.2 |
Source: git+https://github.com/eemeli/yaml.git
MergeHarbor checks every repository's dependencies against this database, ranks what matters by exploitability and reachability, routes it to the owning team and opens the fix pull request.
Check your repos with MergeHarbor