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OSS Contributions

My security fixes and hardening for Infrastructure, identity, authentication, authorization, and cloud security.

19 merged pull requests 6 open source projects

Keycloak

9 merged PRs · decentralized identity · FGAP · token exchange · OIDC fidelity · session integrity · admin UX

  • OID4VCI authorization hardening for decentralized identity issuance #46690
  • FGAP enforcement fix for user membership updates #46957
  • FGAPv2 token-exchange audience-check fix to deny unsupported requests gracefully #46967
  • OIDC value-persistence fix separating localized labels from protocol values #46880
  • No-cache enforcement on UserInfo error responses #46979
  • Authentication-session edge-case fix for NullPointerException failures #46878
  • Admin UI pagination fix for client-session auditing #46889
  • Organization-scoped membership resolution fix #47083
  • Allow organization IdPs for members linked to another broker #47634

Terraform

1 merged PR · AWS · IaC · Identity · Regression · Token

  • Provider issue - Fix web identity token configuration #49744

Home Assistant Core

5 merged PRs · OAuth error handling · safe re-authentication · token refresh recovery

  • Google Sheets OAuth recovery fix for safe re-authentication and retry behavior #165000
  • Google Mail token-refresh handling fix preserving correct re-authentication and fallback behavior #165371
  • Redact Z-Wave add-on options sensitive error details #167239
  • Remove Supervisor refresh tokens #179219
  • Abode: report change setting failures #179756

Better Auth

4 merged PRs · OTP safety · cryptographic validation · session integrity

  • OTP race-condition fix blocking unauthorized token reuse #8067
  • Strict cryptographic validation to reduce active session hijacking risk #8121
  • Set-Cookie decoding fix restoring persistent session integrity #8133
  • Correct get-session nullable schema for OAS 3.1 #8389

Authentik

4 merged PRs · RBAC clarity · OAuth2 credential handling · MFA flow correctness

  • RBAC scope clarification to prevent enterprise access misconfiguration #20786
  • OAuth2 credential-decoding fix preventing application lockouts #20781
  • Authenticator-selection reset between validation stages to prevent MFA carryover #20802
  • sources/ldap/freeipa: handle list-valued krbLastPwdChange #20600

Cloud Custodian

3 merged PRs · AWS IAM telemetry · compliance signal accuracy · SecurityHub Lambda findings

  • AWS IAM exception-handling fix restoring accurate AccessDenied compliance telemetry #10614
  • SecurityHub Lambda findings fix sanitizing unsupported VpcConfig fields for schema-valid imports #10625
  • aws - policystatement - normalize condition key case in has-statement #10623

Leapstacks2

5 security review contribution · Private AWS IAM review · structural access controls

  • AWS security review and structural access-control hardening plus a misconfiguration deep dive repository

Zitadel

1 merged PR · gRPC error · authentication tightening · endpoint proper communications

  • Preserves native gRPC status errors so they pass through correctly #11786