yaml vulnerabilities and fixes

Recent CVEs affecting yaml, with upgrade or downgrade steps. 1 tracked.

yaml has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-03-26. Highest priority: CVE-2026-33532 (score 31/100).

• CVE-2026-33532 MEDIUM 4.3 UPGRADE `yaml` is a YAML parser and serialiser for JavaScript

FAQ

How do I fix yaml vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is yaml being exploited right now?

None of the tracked yaml CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which yaml CVE should I patch first?

CVE-2026-33532 currently ranks highest (31/100): `yaml` is a YAML parser and serialiser for JavaScript.

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