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CVE-2025-25196

Openfga broken access control

9.8 CRITICALEPSS 0.43%
  1. Published19 Feb 2025

Description

OpenFGA is a high-performance and flexible authorization/permission engine built for developers and inspired by Google Zanzibar. OpenFGA < v1.8.4 (Helm chart < openfga-0.2.22, docker < v.1.8.4) are vulnerable to authorization bypass when certain Check and ListObject calls are executed. Users on OpenFGA v1.8.4 or previous, specifically under the following conditions are affected by this authorization bypass vulnerability: 1. Calling Check API or ListObjects with a model that has a relation directly assignable to both public access AND userset with the same type. 2. A type bound public access tuple is assigned to an object. 3. userset tuple is not assigned to the same object. and 4. Check request's user field is a userset that has the same type as the type bound public access tuple's user type. Users are advised to upgrade to v1.8.5 which is backwards compatible. There are no known workarounds for this vulnerability.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Openfga Helm Charts< 0.2.22
Openfga< 1.8.5

Remediation

Fixed in
Openfga Helm Charts≥ 0.2.22
Openfga≥ 1.8.5

References

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Frequently asked

Is CVE-2025-25196 being actively exploited?

CVE-2025-25196 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.43%.

How severe is CVE-2025-25196?

CVE-2025-25196 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.43% probability of exploitation.

Which products are affected by CVE-2025-25196?

Affected products include Openfga Helm Charts, Openfga.

How do I fix CVE-2025-25196?

Upgrade affected software to a fixed version, for example Openfga Helm Charts 0.2.22, Openfga 1.8.5 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.