Continuous Integration and Continuous Deployment pipelines hold the power to deploy your product, change infrastructure, and access private assets. Yet many pipelines still run with static secrets that leak into logs, commit history, or compromised runners. This is why engineering teams are shifting to OpenID Connect (OIDC) for secure CI/CD pipeline access.
OIDC removes the need for long-lived secrets. Instead, it uses short-lived, verifiable identity tokens that your pipeline requests at runtime. The identity provider (IdP) issues these tokens only when called from a trusted source, such as a specific GitHub Actions workflow or GitLab pipeline. With OIDC, your cloud provider trusts your pipeline job directly, not a file with a stored key.
A secure OIDC-based workflow looks like this:
- The pipeline starts.
- It requests an OIDC token from the CI platform’s identity endpoint.
- The cloud or API provider validates the token against issuer, audience, and claims.
- The provider issues a temporary credential.
- The credential expires within minutes.
This setup eliminates hardcoded secrets and shrinks the attack surface. Compromised runners or logs yield nothing valuable after token expiry. Over-privileges can also be restricted by tightening claims in the trust policy.