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 service by the same identity provider to authenticate to OpenFGA. This issue is fixed in 1.18.0.

• CWE-287

• https://github.com/openfga/helm-chBroken Link
• https://github.com/openfga/helm-charts/releases/tag/openfga-0.3.9Product, Release Notes
• https://github.com/openfga/openfga/commit/44596773b2e62738720ef215bf7fa04352954271Patch
• https://github.com/openfga/openfga/releases/tag/v1.18.0Product, Release Notes
• https://github.com/openfga/openfga/security/advisories/GHSA-hcxc-wf8j-23hvVendor Advisory

Published

Jul 9, 2026

Last Modified

Jul 14, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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