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CVE-2026-40293

OpenFGA Playground Preshared Key Exposure

CVSS 3.1 6.5 MEDIUMEUVD CVSS 3.1 7.5 CVSS 3.1 · [email protected] · Secondary 6.5 MEDIUMCVSS 3.1 · 0b0ca135-0b70-47e7-9f44-1890c2a1c46c · Secondary 7.5 HIGHCVSS_V3 Publisher rating MODERATEFixed by github.com/openfga/openfga 1.14.0osv · severity unknownFixed by github.com/openfga/openfga 1.14.0KEV status unknown
Original advisory

cve-program · CVE-2026-40293

Published

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.`

Read the publisher's advisory

euvd · EUVD-2026-23542

Published

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.`

Read the publisher's advisory

nvd · CVE-2026-40293

Published

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.`

Read the publisher's advisory

osv · GHSA-68m9-983m-f3v5

Published

### Description 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. ### Am I Affected? You are affected if you meet each of the following preconditions: * You are running OpenFGA with --authn-method preshared, and * The playground is enabled, and * The playground endpoint is accessible beyond localhost or trusted networks. ### Fix Upgrade to OpenFGA v1.14.0, or disable the playground by running `./openfga run --playground-enabled=false.`

Read the publisher's advisory

osv · GO-2026-5170

Published

OpenFGA: Unauthenticated playground endpoint discloses preshared API key in HTML response in github.com/openfga/openfga

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-40293

Published

openfga

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "openfga",
                    "product": "openfga",
                    "versions": [
                        {
                            "version": ">= 0.1.4, < 1.14.0",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

euvd · EUVD-2026-23542

Published

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Apr 17, 2026, 8:47:06 PM

dateUpdated: Sep 9, 2026, 12:04:43 PM

3 related source bulletins · separate from aliases

RHSA-2026:24503: Red Hat Security Advisory: Multicluster Global Hub 1.7.1 security update

CVE-2025-41118 · CVE-2026-21728 · CVE-2026-32281 · CVE-2026-32282 · CVE-2026-33813 · CVE-2026-33815 · CVE-2026-33816 · CVE-2026-34040 · CVE-2026-40293 · CVE-2026-40890 · CVE-2026-41602 · CVE-2026-43869

RHSA-2026:36882: Red Hat Security Advisory: Red Hat Advanced Cluster Management for Kubernetes v2.14.3 security update

CVE-2025-13465 · CVE-2025-47907 · CVE-2025-48431 · CVE-2025-61726 · CVE-2025-61728 · CVE-2025-61729 · CVE-2025-62718 · CVE-2026-22029 · CVE-2026-22610 · CVE-2026-25639 · CVE-2026-25681 · CVE-2026-29063 · CVE-2026-32285 · CVE-2026-33186 · CVE-2026-33487 · CVE-2026-40175 · CVE-2026-40293 · CVE-2026-40895 · CVE-2026-41602 · CVE-2026-41603 · CVE-2026-41604 · CVE-2026-41605 · CVE-2026-41606 · CVE-2026-41607 · CVE-2026-42033 · CVE-2026-42035 · CVE-2026-42039 · CVE-2026-42041 · CVE-2026-42043 · CVE-2026-42044 · CVE-2026-43869 · CVE-2026-43870 · CVE-2026-44486 · CVE-2026-44487 · CVE-2026-44488 · CVE-2026-44492 · CVE-2026-44494 · CVE-2026-44495 · CVE-2026-44496 · CVE-2026-44990

RHSA-2026:24539: Red Hat Security Advisory: Red Hat Advanced Cluster Management for Kubernetes v2.15.3 security update

CVE-2025-48431 · CVE-2026-33815 · CVE-2026-33816 · CVE-2026-40293 · CVE-2026-40890 · CVE-2026-40895 · CVE-2026-41602 · CVE-2026-41603 · CVE-2026-41604 · CVE-2026-41605 · CVE-2026-41606 · CVE-2026-41607 · CVE-2026-41636 · CVE-2026-42033 · CVE-2026-42035 · CVE-2026-42039 · CVE-2026-42041 · CVE-2026-42043 · CVE-2026-42044 · CVE-2026-43869

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

nvd · CVE-2026-40293

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Modified

Weakness classifications: CWE-200 · CWE-201

Original publisher date fields

published: 2026-04-17T21:16:34.567

lastModified: 2026-08-24T13:18:31.270

1 source CPE criteria · context only
  • cpe:2.3:a:openfga:openfga:*:*:*:*:*:*:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GHSA-68m9-983m-f3v5

Published

github.com/openfga/openfga

Go

SEMVER · introduced 0.1.4 → fixed 1.14.0

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GO-2026-5170

Published

github.com/openfga/openfga

Go

SEMVER · introduced 0.1.4 → fixed 1.14.0

Original source record · Cite this exact observation · Complete original publisher JSON

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

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