cargo install cargo-audit --locked
# enable the `cargo audit fix` subcommand:
cargo install cargo-audit --features=fix --locked

cargo audit                       # run at the workspace root (Cargo.lock)
cargo audit -f path/to/Cargo.lock # explicit lockfile path
cargo audit --no-fetch            # skip advisory-db fetch (air-gapped)

cargo audit --deny warnings                      # fail on any vulnerability
cargo audit --deny unmaintained --deny unsound   # per-category hard fail
cargo audit --deny yanked

cargo audit --format json > cargo-audit.json
cargo audit --format sarif > cargo-audit.sarif   # GitHub Code Scanning upload

# .cargo/audit.toml
[advisories]
ignore = ["RUSTSEC-2024-0999"]
# RUSTSEC-2024-0999: serde_cbor unmaintained; test fixtures only.
# Approved-by: alice@example.com  Re-review-date: 2026-09-30
informational_warnings = ["unmaintained", "unsound"]
severity_threshold = "medium"     # none | low | medium | high | critical

[output]
format = "terminal"               # terminal | json | sarif
deny = ["warnings"]               # mirrors --deny flags
show_tree = true

[database]
fetch = false                     # offline / air-gapped builds
stale = false

cargo audit fix --dry-run   # preview
cargo audit fix             # update Cargo.toml constraints + cargo update

cargo install cargo-auditable
cargo auditable build --release          # embeds Cargo.lock metadata
cargo audit bin target/release/my-app    # audit the compiled binary

on:
  push:
    paths: ['**/Cargo.toml', '**/Cargo.lock']
  schedule:
    - cron: '0 0 * * *'
jobs:
  security_audit:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: rustsec/audit-check@v2.0.0
        with:
          token: ${{ secrets.GITHUB_TOKEN }}

      - run: cargo audit --format sarif > cargo-audit.sarif || true
      - uses: github/codeql-action/upload-sarif@v3
        if: always()
        with: { sarif_file: cargo-audit.sarif }

gem install bundler-audit
bundle-audit update              # one-time advisory-db clone/sync
bundle-audit check --update      # refresh + scan (always --update in CI)
bundle-audit check --no-update   # fully offline once the DB is synced

---
# Suppressions last reviewed: 2026-06-04  Re-review by: 2026-09-04
ignore:
  # CVE-2024-1234: vulnerable function not reachable; foo-gem used only in
  # test fixtures. Verified via grep + code review. Approved: alice@example.com
  - CVE-2024-1234

require 'bundler/audit/task'
Bundler::Audit::Task.new
task default: %w[spec bundle:audit]   # audit gates the local test run

jobs:
  bundle-audit:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: ruby/setup-ruby@v1
        with: { bundler-cache: true }
      - run: gem install bundler-audit
      - run: bundle-audit check --update --format json --output bundle-audit.json
      - uses: actions/upload-artifact@v4
        if: always()
        with: { name: bundle-audit, path: bundle-audit.json }

<!-- pom.xml -->
<plugin>
  <groupId>org.owasp</groupId>
  <artifactId>dependency-check-maven</artifactId>
  <version>10.0.4</version>
  <executions>
    <execution>
      <goals>
        <goal>check</goal>
      </goals>
    </execution>
  </executions>
  <configuration>
    <failBuildOnCVSS>7.0</failBuildOnCVSS>
    <suppressionFile>dependency-check-suppressions.xml</suppressionFile>
    <formats>
      <format>HTML</format>
      <format>JSON</format>
      <format>SARIF</format>
    </formats>
  </configuration>
</plugin>

<!-- dependency-check-suppressions.xml (Maven) -->
<suppress>
  <notes>
    Reason: log4j-core 2.14.x is bundled but not loaded at runtime
            (verified via dependency tree analysis)
    Approved-by: alice@example.com
    Re-review-date: 2026-09-15
  </notes>
  <packageUrl regex="true">^pkg:maven/org\.apache\.logging\.log4j/log4j-core@2\.14\..*$</packageUrl>
  <vulnerabilityName>CVE-2021-44228</vulnerabilityName>
</suppress>

npm audit --json > sca-npm.json || true        # || true: don't fail before triage
pip-audit --format json --output sca-pip.json || true
mvn dependency-check:check -Dformats=JSON
cargo audit --json > sca-cargo.json || true