OpenFGA Authorization Bypass

Exploitation

No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.

CVSS 4.0

5.8 · CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H · score source

EPSS

• CVE-2025-48371: 0.50% estimated exploitation activity in the next 30 days; percentile 43.06 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.

As published by the source; long descriptions are shortened.

Overview OpenFGA v1.8.0 to v1.8.12 ( openfga-0.2.16 <= Helm chart <= openfga-0.2.31, v1.8.0 <= docker <= v.1.8.12) are vulnerable to authorization bypass when certain Check and ListObject calls are executed. Am I Affected? If you are using OpenFGA v1.8.0 to v1.8.12, specifically under the following conditions, you are affected by this authorization bypass vulnerability: - Calling Check API or ListObjects with an authorization model that has a relationship directly assignable by both type bound public access and userset, and - 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, and - Those contextual tuples’s user field is an userset, and - Type bound public access tuples are not assigned to the relationship Fix Upgrade to v1.8.13. This upgrade is backwards compatible. Acknowledgments OpenFGA would like to thank @udyvish for discovering this vulnerability.

Published by the source

23 May 2025, 18:41 UTC

Last modified by the source

30 Mar 2026, 13:56 UTC

Source last checked

26 Oct 2026, 15:19 UTC

1. Revision 1 · created · 26 Oct 2026

   Published from ghsa record GHSA-c72g-53hw-82q7

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: CVE-2025-48371

Advisory: OpenFGA Authorization Bypass
IDs: CVE-2025-48371, GHSA-c72g-53hw-82q7
Record: https://patchnext.com/advisories/cve-2025-48371 (revision 1, source checked 26 Oct 2026, 15:19 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Medium (CVSS 5.8)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: github.com/openfga/openfga 1.8.13. A vendor fix does not mean a deployment is fixed.

## Affected components
- Go github.com/openfga/openfga: affected >= 1.8.0, < 1.8.13; fixed in 1.8.13

## Suggested inspection (read-only)
- Go github.com/openfga/openfga: check the installed version with your package manager.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on github.com/openfga/openfga.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-c72g-53hw-82q7 (GitHub-reviewed advisory GHSA-c72g-53hw-82q7 lists affected ranges: Go github.com/openfga/openfga >=1.8.0 <1.8.13)

Commands are suggestions: review each one before running it.