CVE-2026-55689

HighCVSS 8.1/10Last modified Jul 14, 2026

Description

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.

Metrics

CVSS 3.1 8.1/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-287

Affected software

Vendor	Product	Versions
openfga	openfga	< 1.18.0

References

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

Timeline

Published: Jul 9, 2026
Last modified: Jul 14, 2026
NVD status: Analyzed

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