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CVE-2026-55689OpenFGA: 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 service by the same identity provider to authenticate to OpenFGA. This issue is fixed in 1.18.0.
8.1 HIGHEPSS 0.40%Not in KEVNVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 8.1 | HIGH | 3.1NVD | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
| 6.8 | MEDIUM | 3.1GitHub_M (CNA) | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N |
Details
- CVE ID
- CVE-2026-55689
- Status
- Analyzed
- Assigner (CNA)
- GitHub_M
- Published
- Jul 9, 2026
- Last modified
- 2026-07-14 01:28 UTC
- Weaknesses
- CWE-287 · Improper Authentication
Affected Products
As published by the CNA in the CVE record.
openfgaopenfga1 version range
- < 1.18.0
References
- github.com https://github.com/openfga/helm-ch
- github.com https://github.com/openfga/helm-charts/releases/tag/openfga-0.3.9
- github.com https://github.com/openfga/openfga/commit/44596773b2e62738720ef215bf7fa04352954271
- github.com https://github.com/openfga/openfga/releases/tag/v1.18.0
- github.com https://github.com/openfga/openfga/security/advisories/GHSA-hcxc-wf8j-23hv