CI/CD Pipeline Security

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In CI/CD Pipeline Security

zizmor

zizmor Project · CI/CD Pipeline Security

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Open SourceCommunity

zizmor audits workflows and composite actions offline or online, outputs SARIF for code scanning and offers auto-fixes for several findings.

Repository ↗

What it does4 capabilities · 2 at full coverage

2 of 4 at full coverage.

CI/CD Configuration ScanningFullCICD · level 2 · 7 providers
Pipeline Permission MinimizationPartialCICD · level 2 · 4 providers
Third-Party Action & Plugin Pinning EnforcementPartialCICD · level 2 · 6 providers
Workflow Injection DetectionFullCICD · level 2 · 3 providers

What it proves13 controls across 6 frameworks

Satisfied through its capabilities, not claimed by the vendor.

CI/CD Top 105 / 10CICD-SEC-3 CICD-SEC-4 CICD-SEC-5 CICD-SEC-7 CICD-SEC-8
Scorecard3 / 20Dangerous-Workflow Pinned-Dependencies Token-Permissions
SP 800-204D2 / 11204D-CI-BUILD 204D-ZT-LEASTPRIV
CIS Benchmarks1 / 6CIS Software Supply Chain Security Guide
CNAS Top 101 / 10CNAS-4
CSF 2.01 / 106PR.AA-05

What it stops6 techniques · 2 risks

6 techniques countered, 6 of them common

CI Runner Secret ExfiltrationCommon
Compromise Software Supply ChainT1195.002Common
Mutable Tag Hijack of CI Actions and ImagesCommon
Poisoned Pipeline ExecutionCommon
Steal Application Access TokenT1528Common
Workflow Script InjectionCommon

2 risks reduced

Attacker executes code in the CI/CD pipelineCritical
Pipeline secrets exfiltrated from runners or logsHigh

Where it runs2 phases · 2 ways to deploy

Capabilities per lifecycle phase

Code2
Build4

How it is delivered

CI/CD integrationCLI tool

What it unlocks2 activities · reaches level 2

Program activities its capabilities support, reaching level 2. Supporting an activity is not completing it.

Level 1

Scan pipeline definitions for dangerous patternsLow effort

Level 2

SHA-pin actions and set least-privilege tokensLow effort

How it holds up

Not assessed yet: no strengths, limits or evaluation scores. 47 of 340 products carry an assessment and 29 are scored.

What it costsOpen source (free) · free tier

LicensingOpen source (free)

Priced pernone

BillingFree

Scales withOperating effort only

Total cost

No license cost, but self-support, upgrades, scaling and integration effort must be budgeted as personnel cost.

What it takes to run

No staffing, rollout time or operational commitment recorded.

What it works with1 standard

Standards and formats

Static Analysis Results Interchange Format

What else to look at

No alternative, competitor or family sibling is modeled for it.

What backs this upin 1 pipeline

In use

Payments API release pipeline · Workflow hardening

Gantry 7.1.0 · OFF.12 · OFF.13