[StepSecurity] Apply security best practices#8069
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StepSecurity Actions Security / StepSecurity Harden-Runner
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Jun 9, 2026 in 41m 4s
⚠️ 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 |
|---|---|---|---|
golangci-lint.run |
go-ci.yml | Insights URL | ❌ Blocked |
pypi.org |
validate-prs.yaml | Insights URL | ❌ Blocked |
f037947b-2b72-470f-b606-8601055974c7.eu-west-2.linodelke.net |
go-test-race.yml | Insights URL | ❌ Blocked |
f037947b-2b72-470f-b606-8601055974c7.eu-west-2.linodelke.net |
check-go-coverage.yaml | Insights URL | ❌ Blocked |
cgr.dev |
kics-gh-action.yaml | 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 |
|---|---|---|---|---|
| go-e2e-debian.yaml | 27176144113 | - | - | Harden-Runner not enabled |
| go-ci.yml | 27176144114 | 9 | 10 | View Insights |
| sec-checks.yaml | 27176144122 | 17 | 9 | View Insights |
| check-apache-license.yaml | 27176144166 | 1 | 2 | View Insights |
| go-e2e.yaml | 27176144123 | - | - | Harden-Runner not enabled |
| validate-prs.yaml | 27176144158 | 3 | 3 | View Insights |
| go-ci-integration.yml | 27176144138 | 7 | 6 | View Insights |
| go-test-race.yml | 27176144152 | 6 | 4 | View Insights |
| check-go-coverage.yaml | 27176144141 | 6 | 2 | View Insights |
| kics-gh-action.yaml | 27176144137 | 2 | 3 | View Insights |
📚 Learn More
You can learn more about this GitHub check here
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