Auth bypass in Openfga

CVE-2024-31452

OpenFGA is a high-performance and flexible authorization/permission engine. Some end users of OpenFGA v1.5.0 or later are vulnerable to authorization bypass when calling Check or ListObjects APIs. You are very likely affected if your model involves exclusion (e.g. `a but not b`) or intersection (e.g. `a and b`). This vulnerability is fixed in v1.5.3.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (49.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-31452: held from 0.007 to 0.007.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

  • Openfga — versions >= 1.5.0, < 1.5.3

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2024-31452?
CVE-2024-31452 is a high-severity vulnerability in Openfga, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2024-04-16.
How severe is CVE-2024-31452?
High severity. CVSS v3 base score is 8.1 out of 10.