CVE-2026-40293

MEDIUM EPSS 10.4%

Published Apr 17, 20262mo ago · Modified Jun 17, 20262w ago

6.5 CVSS 3.1

Medium

Published Apr 17, 2026 2mo ago

Last Modified Jun 17, 2026 2w ago

Description

OpenFGA is an authorization/permission engine built for developers. In versions 0.1.4 through 1.13.1, when OpenFGA is configured to use preshared-key authentication with the built-in playground enabled, the local server includes the preshared API key in the HTML response of the /playground endpoint. The /playground endpoint is enabled by default and does not require authentication. It is intended for local development and debugging and is not designed to be exposed to production environments. Only those who run OpenFGA with `--authn-method` preshared, with the playground enabled, and with the playground endpoint accessible beyond localhost or trusted networks are vulnerable. To remediate the issue, users should upgrade to OpenFGA v1.14.0, or disable the playground by running `./openfga run --playground-enabled=false.`

CVSS Details

Base Score

6.5

Exploitability

3.9

Impact

2.5

Vector string

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope Unchanged

Confidentiality Low

Integrity Low

Availability None

Threat Intelligence

EPSS Exploit Probability

10.4% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor Information Exposure

Affected Products 1

Vendor	Product	Version	Range
openfga	openfga	*	≥0.1.4 – <1.14.0

References 2

github.com https://github.com/openfga/openfga/releases/tag/v1.14.0

ProductRelease Notes
github.com https://github.com/openfga/openfga/security/advisories/GHSA-68m9-983m-f3v5

MitigationVendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.