feat(aws): add apigateway_domain_name_pqc_tls_enabled check

[pedrooot]

Context

To mitigate "harvest now, decrypt later" attacks, API Gateway offers enhanced TLS security policies that add hybrid post-quantum (ML-KEM) key exchange for REST API custom domain names. Prowler had no check surfacing whether a custom domain uses one.

Description

Adds the apigateway_domain_name_pqc_tls_enabled check. It evaluates the securityPolicy of every REST API custom domain name against a configurable allowlist (apigateway_pqc_tls_allowed_policies, default: SecurityPolicy_TLS13_1_3_2025_09). The apigateway service is extended to list custom domain names. Severity: low.

Note: API Gateway HTTP and WebSocket APIs only support the legacy TLS_1_2 policy today, so they cannot use post-quantum TLS and are out of scope for this check.

Steps to review

1. Check implementation: prowler/providers/aws/services/apigateway/apigateway_domain_name_pqc_tls_enabled/
2. Service change listing custom domain names: prowler/providers/aws/services/apigateway/apigateway_service.py
3. Run the tests: poetry run pytest tests/providers/aws/services/apigateway/apigateway_domain_name_pqc_tls_enabled/ tests/providers/aws/services/apigateway/apigateway_service_test.py -v
4. Optionally run against a real environment: prowler aws --check apigateway_domain_name_pqc_tls_enabled

Checklist

Community Checklist

• This feature/issue is listed in here or roadmap.prowler.com
• Is it assigned to me, if not, request it via the issue/feature in here or Prowler Community Slack

• Review if the code is being covered by tests.
• Review if code is being documented following this specification https://github.com/google/styleguide/blob/gh-pages/pyguide.md#38-comments-and-docstrings
• Review if backport is needed.
• Review if is needed to change the Readme.md
• Ensure new entries are added to CHANGELOG.md, if applicable.

SDK/CLI

• Are there new checks included in this PR? Yes
  • Yes, permissions updated: adds apigateway:GET on arn:*:apigateway:*::/domainnames/* to both permissions/prowler-additions-policy.json and the CloudFormation scan-role template, required to read custom domain names.

License

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

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[github-actions]

✅ All necessary CHANGELOG.md files have been updated.

[github-actions]

Compliance Mapping Review

This PR adds new checks. Please verify that they have been mapped to the relevant compliance framework requirements.

New checks already mapped in this PR

• apigateway_domain_name_pqc_tls_enabled (aws): aws_well_architected_framework_security_pillar_aws, ccc_aws, csa_ccm_4.0_aws, ens_rd2022_aws, fedramp_moderate_revision_4_aws, ffiec_aws, gxp_21_cfr_part_11_aws, iso27001_2013_aws, kisa_isms_p_2023_aws, kisa_isms_p_2023_korean_aws, nist_800_171_revision_2_aws, nist_800_53_revision_5_aws, rbi_cyber_security_framework_aws, secnumcloud_3.2_aws

Use the no-compliance-check label to skip this check.

[github-actions]

✅ Conflict Markers Resolved

All conflict markers have been successfully resolved in this pull request.

[codecov]

Codecov Report

❌ Patch coverage is 94.59459% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 3.66%. Comparing base (7d03bc5) to head (48256d8).
⚠️ Report is 13 commits behind head on master.

❗ There is a different number of reports uploaded between BASE (7d03bc5) and HEAD (48256d8). Click for more details.

HEAD has 1 upload less than BASE

Flag	BASE (7d03bc5)	HEAD (48256d8)
api	1	0

Additional details and impacted files

@@             Coverage Diff             @@
##           master   #11316       +/-   ##
===========================================
- Coverage   93.97%    3.66%   -90.31%     
===========================================
  Files         237      858      +621     
  Lines       34829    25155     -9674     
===========================================
- Hits        32729      922    -31807     
- Misses       2100    24233    +22133     

Flag	Coverage Δ
api	?
prowler-py3.10-aws	3.18% <94.59%> (?)
prowler-py3.10-config	3.66% <94.59%> (?)
prowler-py3.11-aws	3.18% <94.59%> (?)
prowler-py3.11-config	3.66% <94.59%> (?)
prowler-py3.12-aws	3.18% <94.59%> (?)
prowler-py3.12-config	3.66% <94.59%> (?)

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Components	Coverage Δ
prowler	3.66% <94.59%> (∅)
api	∅ <ø> (∅)

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[github-actions]

🔒 Container Security Scan

Image: prowler:5c69b40
Last scan: 2026-05-21 22:33:33 UTC

📊 Vulnerability Summary

Severity	Count
🔴 Critical	6
Total	6

5 package(s) affected

⚠️ Action Required

Critical severity vulnerabilities detected. These should be addressed before merging:

• Review the detailed scan results
• Update affected packages to patched versions
• Consider using a different base image if updates are unavailable

---

📋 Resources:

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• View in Security tab
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