CVE-2022-39340

Name: CVE-2022-39340
Creator: NVD / NIST
Published: 2022-10-25T17:15:56.213+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.67%

Last modified Jun 17, 2026

CVE-2022-39340 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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. EPSS estimates a 0.67% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

0.67%

47.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Openfga	Openfga	< 0.2.4

References

https://github.com/openfga/openfga/commit/779d73d4b6d067ee042ec9b59fec707eed71e42fPatch, Third Party Advisory
https://github.com/openfga/openfga/releases/tag/v0.2.4Release Notes, Third Party Advisory
https://github.com/openfga/openfga/security/advisories/GHSA-95x7-mh78-7w2rThird Party Advisory
https://github.com/openfga/openfga/commit/779d73d4b6d067ee042ec9b59fec707eed71e42fPatch, Third Party Advisory
https://github.com/openfga/openfga/releases/tag/v0.2.4Release Notes, Third Party Advisory
https://github.com/openfga/openfga/security/advisories/GHSA-95x7-mh78-7w2rThird Party Advisory

Timeline

Published: Oct 25, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-39340?

How severe is CVE-2022-39340?

CVE-2022-39340 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.67% probability of exploitation in the next 30 days.

How do I fix CVE-2022-39340?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-39340?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST