[StepSecurity] Apply security best practices#392
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StepSecurity Actions Security / StepSecurity Harden-Runner
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Jul 22, 2026 in 12m 40s
⚠️ Unexpected network calls from CI/CD runners
Harden-Runner has generated new alerts for GitHub Actions workflow runs in this pull request. These findings may indicate malicious activities or misconfigurations, so prompt analysis is recommended.
Details
Harden-Runner monitors all outbound traffic from each job at the DNS and network layers to ensure that CI/CD runners do not communicate with unauthorized destinations.
This reduces the risk of CI/CD secrets and source code being exfiltrated.
The following anomalous outbound network calls were detected.
| Endpoint | Workflow | Workflow Run Insights | status |
|---|---|---|---|
kics.io |
pr-validation.yml | Insights URL | ❌ Blocked |
dl-cdn.alpinelinux.org |
pr-validation.yml | Insights URL | ❌ Blocked |
registry.npmjs.org |
pr-title.yml | Insights URL | ❌ Blocked |
🔎 Potential next steps
Anomalous Network Call
To investigate and triage the detection, please follow the runbook at https://docs.stepsecurity.io/harden-runner/runbooks/anomalous-outbound-network-calls
📋 Monitored GitHub Actions workflow runs
The following GitHub Actions workflow runs were monitored as part of this pull request.
| Workflow | Run ID | Unique Destinations | Actions Used | Detailed Insights |
|---|---|---|---|---|
| pr-validation.yml | 29960379287 | 8 | 4 | View Insights |
| security.yml | 29960379291 | 5 | 4 | View Insights |
| codecov.yaml | 29960379283 | 6 | 4 | View Insights |
| cx-one-scan.yaml | 29960379269 | 6 | 2 | View Insights |
| validate-readme.yml | 29960379232 | 5 | 2 | View Insights |
| pr-labels.yml | 29960379301 | 0 | 1 | View Insights |
| trivy-vulnerability-scan.yaml | 29960379270 | 9 | 5 | View Insights |
| pr-title.yml | 29960379218 | 1 | 0 | View Insights |
| trivy-vulnerability-scan.yaml | 29960377037 | 9 | 5 | View Insights |
📚 Learn More
You can learn more about this GitHub check here
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