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TI-2025-34888 Aliases CVE-2025-55213GHSA-mgh9-4mwp-fg55

OpenFGA Authorization Bypass (Check)

Priority LOW 26CWE-863Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
Present
Impact type
Security bypass
Confidentiality · integrity · availability
None · None · None
Fix status
Partial Red Hat: 1 without a fix

Attack profile from CVSS 4.0 · CNA. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-863.

Summary

OpenFGA is a high-performance and flexible authorization/permission engine built for developers and inspired by Google Zanzibar. OpenFGA v1.9.3 to v1.9.4 ( openfga-0.2.40 <= Helm chart <= openfga-0.2.41, v1.9.3 <= docker <= v.1.9.4) are vulnerable to improper policy enforcement when certain Check and ListObject calls are executed. This vulnerability is fixed in 1.9.5.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00324 25th percentileScored 2026-11-07
Fix Partial openfga (openfga): 1.9.5github.com/openfga/openfga (Go): 1.9.5Red Hat: 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
openfgaopenfga1.9.3 to before 1.9.51.9.5Patch availableCNA
—github.com/openfga/openfga (Go)1.9.3 to before 1.9.51.9.5Patch availableGHSA-mgh9-4mwp-fg55
  • openfga Vendoropenfga Affected 1.9.3 to before 1.9.5 Fixed in 1.9.5 Patch available CNA
  • github.com/openfga/openfga (Go) Vendor— Affected 1.9.3 to before 1.9.5 Fixed in 1.9.5 Patch available GHSA-mgh9-4mwp-fg55

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:openfga:helm_charts:*:*:*:*:*:openfga:*:*0.2.40 to before 0.2.42Vulnerableopenfga
cpe:2.3:a:openfga:openfga:*:*:*:*:*:*:*:*1.9.3 to before 1.9.5Vulnerableopenfga
  • cpe:2.3:a:openfga:helm_charts:*:*:*:*:*:openfga:*:* Versions 0.2.40 to before 0.2.42 Vulnerable ·openfga
  • cpe:2.3:a:openfga:openfga:*:*:*:*:*:*:*:* Versions 1.9.3 to before 1.9.5 Vulnerable ·openfga

Remediation

  • Fix · CNA openfga (openfga) Fixed in 1.9.5
  • Fix · GHSA-mgh9-4mwp-fg55 github.com/openfga/openfga (Go) Fixed in 1.9.5 Advisory →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Advanced Cluster Management for Kubernetes 2AffectedNo fix yet: Fix deferred

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-55213
  2. 2026-10-03 Alias added: GHSA-mgh9-4mwp-fg55

References

Patch 2

Advisory 1

Other 2

  • TI-2026-27194 Incorrect authorization in openfga CVSS 3.1HIGH 8.8
  • TI-2026-40204 OpenFGA: OIDC audience validation skipped when --authn-oidc-audience is unset CVSS 3.1HIGH 8.1
  • TI-2025-30697 OpenFGA Authorization Bypass CVSS 4.0MEDIUM 5.8
  • TI-2026-20050 OpenFGA Improper Policy Enforcement CVSS 4.0MEDIUM 5.8
  • TI-2025-40089 OpenFGA Improper Policy Enforcement CVSS 4.0MEDIUM 5.8
  • TI-2025-29072 OpenFGA Authorization Bypass CVSS 4.0MEDIUM 5.8
See all 11 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences