Vulnerability · Published Aug 25, 2023 · Assigned by GitHub_M

CVE-2023-40579OpenFGA Authorization Bypass

Medium 6.5

In plain English

A medium-severity improper access control in openfga from openfga. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium

Exploit odds (30 days)0.5%top 54.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Go	github.com/openfga/openfga	1.3.1	GHSA-jcf2-mxr2-gmqp
Go	github.com/openfga/openfga	1.3.1	GO-2023-2028

Affected products (as reported)

Vendor	Product	Versions
openfga	openfga	< 1.3.1

Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References

https://github.com/openfga/openfga/security/advisories/GHSA-jcf2-mxr2-gmqp x_refsource_CONFIRM
https://github.com/openfga/openfga/releases/tag/v1.3.1 x_refsource_MISC