How severe is CVE-2025-64751?

No CVSS score has been assigned to CVE-2025-64751 yet. Review the advisory details and affected package list to assess your exposure.

Which packages are affected by CVE-2025-64751?

CVE-2025-64751 affects the following packages: github.com/openfga/openfga (Go). Ecosystems affected: Go.

How do I fix CVE-2025-64751?

Update github.com/openfga/openfga to 1.11.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2025-64751 is resolved across your whole dependency graph.

How do I detect CVE-2025-64751 in my Go dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for github.com/openfga/openfga, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

How do I mitigate CVE-2025-64751 if there is no patch (or I can't update yet)?

If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Is CVE-2025-64751 actively exploited in the wild?

No public exploit code has been indexed for CVE-2025-64751 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What is the EPSS score for CVE-2025-64751?

CVE-2025-64751 has an EPSS (Exploit Prediction Scoring System) score of 0.3%, placing it in the 24th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

What type of vulnerability is CVE-2025-64751?

CVE-2025-64751 is classified as CWE-285 (CWE-285). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

When was CVE-2025-64751 published, and has it been updated?

CVE-2025-64751 was published on November 21, 2025 and was last updated on October 28, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🐹 Go

Not in CISA KEV

CVE-2025-64751 — openfga

CVE-2025-64751 is a CWE-285 vulnerability in github.com/openfga/openfga. A fix is available for github.com/openfga/openfga — see the affected versions and patch details below.

OpenFGA Improper Policy Enforcement

Also known asGHSA-2c64-vmv2-hgfcGO-2025-4150

Published

Nov 21, 2025

Updated

Oct 28, 2026

Affected

1 pkg

Patched

1 / 1

Exploits

None indexed

Exploitation data as of Nov 4, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for CVE-2025-64751.

EPSS Exploitation Probability

via FIRST.org ↗

0.3%probability of exploitation in next 30 days

Lower Risk0.00%

Lower risk than most CVEs24th percentile — riskier than 24% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

Real-World Exposure

1 pkg affected

🐹github.com/openfga/openfga

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Go packages — download data is not available via public APIs for these ecosystems.

Description

Overview

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.

Am I Affected?

You are affected by this vulnerability if you meet the following preconditions:

You are using OpenFGA v1.4.0 to v1.11.0
The model has a a relation directly assignable by a type bound pubic access with condition
The same relation is not assignable by a type bound public access without condition
You have a type assigned for the same relation that is a type bound public access without condition

Fix

Upgrade to v1.11.1. This upgrade is backwards compatible.

Workaround

None

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
🐹Go	`github.com/openfga/openfga`	≥ 1.4.0&&< 1.11.1	1.11.1`go get github.com/openfga/openfga@v1.11.1`

Affected Products

2 products · 2 configurations

Application

helm chartsopenfga

≥ 0.1.34 && < 0.2.49

range

Application

openfgaopenfga

≥ 1.4.0 && < 1.11.1

range

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for github.com/openfga/openfga, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update github.com/openfga/openfga to 1.11.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2025-64751 is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

### Overview 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. ### Am I Affected? You are affected by this vulnerability if you meet the following preconditions: - You are using OpenFGA v1.4.0 to v1.11.0 - The model has a a relation directly assignable by a [type bound pubic access](https://openfga.dev/docs/concepts#what-is-type-bound-public-access) with [condition](https://openfga.dev/docs/modeling/conditions) - The same relation is not