---
id: 1270
title: "Bringing full YAML anchor support to zizmor"
source_domain: blog.trailofbits.com
source_url: "https://blog.trailofbits.com/2026/05/22/we-hardened-zizmors-github-actions-static-analyzer/"
published_at: "2026-05-22 11:00"
tags: ["supply-chain", "devsecops", "open-source", "github-actions", "static-analysis", "zizmor", "yaml", "ci-security"]
phying_url: "https://phying.com/item/1270"
lang: en
---

# Bringing full YAML anchor support to zizmor

## Summary

Trail of Bits worked with zizmor maintainers to fix four YAML anchor handling bugs and align its evaluator with GitHub's tests, validating against 41,253 real-world GitHub Actions workflows.

## Intelligence Metadata

- **Sources:** blog.trailofbits.com
- **Published:** 2026-05-22 11:00
- **Original:** https://blog.trailofbits.com/2026/05/22/we-hardened-zizmors-github-actions-static-analyzer/
- **Phying News:** https://phying.com/item/1270