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Openfga CVE-2025-64751

MEDIUM
Improper Authorization (CWE-285)
2025-11-21 security-advisories@github.com
Authentication Bypass Docker Google Helm Charts Openfga
5.8
CVSS 4.0 · Vendor: github
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Vulnerability Assessment

Weakness
CWE
CWE-285
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization verification
MITRE ATT&CK

1 technique across 1 tactic: Defense Evasion

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

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Impact

CVSS score of 5.8 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. EPSS exploitation probability: 0.08%.
Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.
This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

OpenFGA is a high-performance and flexible authorization/permission engine built for developers and inspired by Google Zanzibar. Rated medium severity (CVSS 5.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affected Packages

go github.com/openfga/openfga fix: 1.11.1

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in go

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

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Technical ContextAI · show details

This vulnerability is classified under CWE-285. OpenFGA is a high-performance and flexible authorization/permission engine built for developers and inspired by Google Zanzibar. OpenFGA v1.4.0 to v1.11.0 ( openfga-0.1.34 <= Helm chart <= openfga-0.2.48, v.1.4.0 <= docker <= v.1.11.0) are vulnerable to improper policy enforcement when certain Check and ListObject calls are executed. This issue has been patched in version 1.11.1. Affected products include: Openfga Helm Charts, Openfga. Version information: version 1.11.1..

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

Vendor (github) PRIMARY 5.8 MEDIUM
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
SUSE 8.8 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from Vendor (github).

CVSS VectorVendor: github

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
Present
Privileges Required
Low
User Interaction
None
Vulnerable system: Confidentiality
None
Vulnerable system: Integrity
None
Vulnerable system: Availability
None
Subsequent system: Confidentiality
High
Subsequent system: Integrity
High
Subsequent system: Availability
High

Lifecycle Timeline

2
Patch released
Mar 31, 2026 - 21:13 nvd
Patch available
CVE Published
Nov 21, 2025 - 02:15 nvd
MEDIUM 5.8

DescriptionCVE.org

OpenFGA is a high-performance and flexible authorization/permission engine built for developers and inspired by Google Zanzibar. OpenFGA v1.4.0 to v1.11.0 ( openfga-0.1.34 <= Helm chart <= openfga-0.2.48, v.1.4.0 <= docker <= v.1.11.0) are vulnerable to improper policy enforcement when certain Check and ListObject calls are executed. This issue has been patched in version 1.11.1.

Executive ViewAI

Why It Matters

Organizations using OpenFGA should be aware of moderate risk from CVE-2025-64751 rated CVSS 5.8. Exploitation could compromise the security of affected deployments. Organizations should apply vendor updates when available and monitor for exploitation.

Business Impact: Low
Compensating Controls

Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.

Threat Intelligence Overview

EPSS Score
0.1%
Top 76% exploitable
Data Quality
5 sources
Confidence: Medium
NVD CVE.org EPSS Vendor GitHub

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.1%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact
Low

Priority Score

29
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +29
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)CVE.org

cpe:2.3:a:openfga:helm_charts:*:*:*:*:*:*:*:*
cpe:2.3:a:openfga:openfga:*:*:*:*:*:*:*:*

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Same weakness CWE-285 – Improper Authorization

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Vendor StatusVendor

SUSE

Severity: High
Product Status
Container suse/manager/4.3/proxy-httpd:4.3.16.2.9.73.1 Affected
Image SLES15-SP4-Manager-Server-4-3-BYOS Image SLES15-SP4-Manager-Server-4-3-BYOS-Azure Image SLES15-SP4-Manager-Server-4-3-BYOS-EC2 Image SLES15-SP4-Manager-Server-4-3-BYOS-GCE Affected
SUSE Linux Enterprise Module for Package Hub 15 SP6 Fixed
SUSE Linux Enterprise Module for Package Hub 15 SP7 Fixed
SUSE Manager Server LTS 4.3 Fixed

References

Advisories & patches
ADVISORY https://github.com/openfga/openfga/security/advisories/GHSA-2c64-vmv2-hgfc ADVISORY https://www.suse.com/support/update/SUSE-SU-2025:4444/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2025:4446/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2025:4479/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2025:4482/ REF https://github.com/openfga/openfga/releases/tag/v1.11.1

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