CVE-2026-55689

OpenFGA is an authorization/permission engine built for developers. Prior to 1.18.0, OpenFGA's OIDC authenticator skipped JWT audience validation when authn.method was set to oidc, authn.oidc.issuer was configured, and authn.oidc.audience was not set, allowing a token minted for an unrelated...

CVE-2026-55689 OpenFGA: OIDC audience validation skipped when --authn-oidc-audience is unset

OpenFGA is an authorization/permission engine built for developers. Prior to 1.18.0, OpenFGA's OIDC authenticator skipped JWT audience validation when authn.method was set to oidc, authn.oidc.issuer was configured, and authn.oidc.audience was not set, allowing a token minted for an unrelated...

CVE-2026-55689

OpenFGA’s OIDC authentication could accept tokens from the same identity provider for a different application when authn.method=oidc and authn.oidc.issuer is configured but authn.oidc.audience is unset (pre-1.18.0). This allowed unauthorized authentication to OpenFGA. The issue is fixed in OpenFG...

CVE-2026-55170 OpenFGA MySQL backend: case-insensitive collation on identifier columns causes incorrect authorization decisions

OpenFGA is an authorization/permission engine built for developers. Prior to 1.18.0, when MySQL is being used as the datastore and authorization decisions rely on case-sensitive user strings, the tuple, changelog, and authorizationmodel identifier columns can compare case-distinct values such as...

CVE-2026-55170 OpenFGA MySQL backend: case-insensitive collation on identifier columns causes incorrect authorization decisions

OpenFGA is an authorization/permission engine built for developers. Prior to 1.18.0, when MySQL is being used as the datastore and authorization decisions rely on case-sensitive user strings, the tuple, changelog, and authorizationmodel identifier columns can compare case-distinct values such as...

CVE-2026-55170

OpenFGA is an authorization/permission engine built for developers. Prior to 1.18.0, when MySQL is being used as the datastore and authorization decisions rely on case-sensitive user strings, the tuple, changelog, and authorizationmodel identifier columns can compare case-distinct values such as...

CVE-2026-55170 OpenFGA MySQL backend: case-insensitive collation on identifier columns causes incorrect authorization decisions

OpenFGA is an authorization/permission engine built for developers. Prior to 1.18.0, when MySQL is being used as the datastore and authorization decisions rely on case-sensitive user strings, the tuple, changelog, and authorizationmodel identifier columns can compare case-distinct values such as...

CVE-2026-55170

OpenFGA Open Source CVE-2026-55170 affects the MySQL datastore when decisions rely on case-sensitive user strings. The tuple, changelog, and authorization_model identifier columns can treat case-distinct values (e.g., user:Alice vs user:alice) as equivalent, potentially causing two distinct check...

CVE-2026-55170: Improper Handling of Case Sensitivity

OpenFGA is an authorization/permission engine built for developers. Prior to 1.18.0, when MySQL is being used as the datastore and authorization decisions rely on case-sensitive user strings, the tuple, changelog, and authorizationmodel identifier columns can compare case-distinct values such as...

CVE-2026-55689: Improper Authentication

OpenFGA is an authorization/permission engine built for developers. Prior to 1.18.0, OpenFGA's OIDC authenticator skipped JWT audience validation when authn.method was set to oidc, authn.oidc.issuer was configured, and authn.oidc.audience was not set, allowing a token minted for an unrelated...

GO-2026-5483 OpenFGA's BatchCheck within-request deduplication produces incorrect authorization decisions via list-value cache-key collision in github.com/openfga/openfga

OpenFGA's BatchCheck within-request deduplication produces incorrect authorization decisions via list-value cache-key collision in github.com/openfga/openfga...

GO-2026-5423 OpenFGA: OIDC audience validation skipped when --authn-oidc-audience is unset in github.com/openfga/openfga

OpenFGA: OIDC audience validation skipped when --authn-oidc-audience is unset in github.com/openfga/openfga...

GO-2026-5322 OpenFGA Improper Policy Enforcement in github.com/openfga/openfga

OpenFGA Improper Policy Enforcement in github.com/openfga/openfga...

GO-2026-5239 OpenFGA has cache-key delimiter injection in shared-iterator and v2 iterator that caches enables intra-store authorization-decision poisoning in github.com/openfga/openfga

OpenFGA has cache-key delimiter injection in shared-iterator and v2 iterator that caches enables intra-store authorization-decision poisoning in github.com/openfga/openfga...

GO-2026-5170 OpenFGA: Unauthenticated playground endpoint discloses preshared API key in HTML response in github.com/openfga/openfga

OpenFGA: Unauthenticated playground endpoint discloses preshared API key in HTML response in github.com/openfga/openfga...

GO-2026-5136 OpenFGA has Improper Policy Enforcement in github.com/openfga/openfga

OpenFGA has Improper Policy Enforcement in github.com/openfga/openfga...

OpenFGA: OIDC audience validation skipped when --authn-oidc-audience is unset

Description OpenFGA's OIDC authenticator skipped JWT audience aud validation when no audience was configured. In deployments where one identity provider issues tokens for multiple services, a token minted for an unrelated service could authenticate to OpenFGA. Preconditions This applies if the...

GHSA-HCXC-WF8J-23HV OpenFGA: OIDC audience validation skipped when --authn-oidc-audience is unset

Description OpenFGA's OIDC authenticator skipped JWT audience aud validation when no audience was configured. In deployments where one identity provider issues tokens for multiple services, a token minted for an unrelated service could authenticate to OpenFGA. Preconditions This applies if the...

PT-2026-50974

Name of the Vulnerable Software and Affected Versions OpenFGA versions prior to 1.18.0 Description The OIDC authenticator fails to validate the JWT audience aud claim when no audience is configured. In environments where a single identity provider issues tokens for multiple services, a token...

GHSA-CF98-J28V-49V6 OpenFGA Improper Policy Enforcement

Description In OpenFGA, when MySQL is being used as the datastore, two distinct check requests can return the same response. Preconditions This applies if the following preconditions are met: 1. You run OpenFGA with MySQL as the datastore 2. Your authorization decisions rely on case-sensitive use...