Vulnerability in Openfga
CVE-2023-35933
OPenFGA is an open source authorization/permission engine built for developers. OpenFGA versions v1.1.0 and prior are vulnerable to a DoS attack when Check and ListObjects calls are executed against authorization models that contain circular relationship definitions. Users are affected by this vulnerability if they are using OpenFGA v1.1.0 or earlier, and if you are executing `Check` or `ListObjects` calls against a vulnerable authorization model. Users are advised to upgrade to version 1.1.1. There are no known workarounds for this vulnerability. Users that do not have circular relationships in their models are not affected.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.011 (65.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Openfga — versions < 1.1.1
Weakness classification (CWE)
References
- github.com/openfga/openfga/security/advisories/GHSA-hr9r-8phq-5x8j (Vendor Advisory)
- github.com/openfga/openfga/commit/087ce392595f3c319ab3028b5089118ea4063452 (Patch)
- openfga.dev/api/service (Exploit, Vendor Advisory)
- openfga.dev/api/service (Exploit, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-35933?
- CVE-2023-35933 is a medium-severity vulnerability in Openfga, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 5.9/10. Published 2023-06-26.
- How severe is CVE-2023-35933?
- Medium severity. CVSS v3 base score is 5.9 out of 10.