Highlights
Credential Leak: 1 prior fix. Scrutinize any change in this area.
.github/workflows/php-qa.yml: most-fixed (2 issues). Treat as high-risk during review.
1 high-severity fix in this history; regressions here are high-impact.
Recurring patterns
The bug types that recur here, drawn from past fixes, not open vulnerabilities.
Supply Chain: Action runners were referenced by mutable tags, allowing tag/branch tampering to inject malicious code into the CI pipeline.
Credential Leak: The default persist-credentials behavior in actions/checkout leaves the GitHub token in the workspace, which can be exfiltrated via build artifacts or logs.