CVE-2025-48371: OpenFGA Authorization Bypass

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-05-22 · updated 2026-06-17
Weakness: CWE-285

Description

OpenFGA is an authorization/permission engine. OpenFGA versions 1.8.0 through 1.8.12 (corresponding to Helm chart openfga-0.2.16 through openfga-0.2.30 and docker 1.8.0 through 1.8.12) are vulnerable to authorization bypass when certain Check and ListObject calls are executed. Users are affected under four specific conditions: First, calling Check API or ListObjects with an authorization model that has a relationship directly assignable by both type bound public access and userset; second, there are check or list object queries with contextual tuples for the relationship that can be directly assignable by both type bound public access and userset; third, those contextual tuples’s user field is an userset; and finally, type bound public access tuples are not assigned to the relationship. Users should upgrade to version 1.8.13 to receive a patch. The upgrade is backwards compatible.

Affected products

openfga Helm Charts: from 0.2.16 before 0.2.32 — fixed in 0.2.32
openfga: from 1.8.0 before 1.8.13 — fixed in 1.8.13

How to fix

Upgrade to a fixed version: openfga Helm Charts 0.2.32; openfga 1.8.13. Check the vendor advisory for mitigations.

References

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