CVE-2022-39340 OpenFGA Information Disclosure

What is CVE-2022-39340?

CVE-2022-39340 is a medium-severity missing authorization vulnerability in openfga, published on 25 Oct 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

OpenFGA is an authorization/permission engine. Prior to version 0.2.4, the `streamed-list-objects` endpoint was not validating the authorization header, resulting in disclosure of objects in the store. Users `openfga/openfga` versions 0.2.3 and prior who are exposing the OpenFGA service to the internet are vulnerable. Version 0.2.4 contains a patch for this issue.

Weakness: CWE-862, CWE-285

Which versions are affected by CVE-2022-39340?

3 open source packages ship an affected version, including github.com/openfga/openfga. It affects 1 product.

Products include Openfga Openfga.

How do I fix CVE-2022-39340?

Upgrade github.com/openfga/openfga to 0.2.4 or later.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2022-39340 being exploited?

There is no known exploitation of CVE-2022-39340 in the wild and no public exploit code.

Other vulnerabilities in openfga

• CVE-2024-31452 OpenFGA Authorization Bypass High 8.1
• CVE-2022-23542 OpenFGA Authorization Bypass High 7.7
• CVE-2024-42473 OpenFGA Authorization Bypass High 7.5
• CVE-2026-40293 OpenFGA Playground Preshared Key Exposure Medium 6.5
• CVE-2023-40579 OpenFGA Authorization Bypass Medium 6.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-95x7-mh78-7w2r, GO-2022-1079.