CVE-2024-42473 is a critical authorization bypass vulnerability affecting OpenFGA versions 1.5.7 and 1.5.8. It allows attackers to bypass authorization checks when the Check API is called with specific models utilizing "but not" and "from" expressions with a userset. This vulnerability carries a CVSS score of 9.8 (Critical) due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While no active exploits or public exploit code are currently available, the community has acknowledged the regression, and users are strongly advised to downgrade to OpenFGA v1.5.6 immediately as a patch is not yet released.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.5.7CPE matchmatch criteria | cpe:2.3:a:openfga:openfga:1.5.7:*:*:*:*:*:*:* | ||
1.5.8CPE matchmatch criteria | cpe:2.3:a:openfga:openfga:1.5.8:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
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The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.