What is CVE-2023-40579?

CVE-2023-40579 is a medium-severity vulnerability in Openfga, classified under Improper Access Control. CVSS score: 6.5/10. Published 2023-08-25.

How severe is CVE-2023-40579?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Openfga

CVE-2023-40579

OpenFGA is an authorization/permission engine built for developers and inspired by Google Zanzibar. Some end users of OpenFGA v1.3.0 or earlier are vulnerable to authorization bypass when calling the ListObjects API. The vulnerability affects customers using `ListObjects` with specific models. The affected models contain expressions of type `rel1 from type1`. This issue has been patched in version 1.3.1.

EPSS: 0.005 (36.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Openfga — versions < 1.3.1

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
security-advisories@github.com (x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2023-40579?: CVE-2023-40579 is a medium-severity vulnerability in Openfga, classified under Improper Access Control. CVSS score: 6.5/10. Published 2023-08-25.
How severe is CVE-2023-40579?: Medium severity. CVSS v3 base score is 6.5 out of 10.