CVE-2023-35933— OpenFGA denial of service die to circular relationship
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I. Basic Information for CVE-2023-35933
Vulnerability Information
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Vulnerability Title
OpenFGA denial of service die to circular relationship
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
不可达退出条件的循环(无限循环)
Source: NVD (National Vulnerability Database)
Vulnerability Title
OpenFGA 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenFGA是OpenFGA的为开发人员构建并受 Google Zanzibar 启发的高性能和灵活的授权/许可引擎。 OPenFGA v1.1.0版本及之前版本存在安全漏洞，该漏洞源于当针对包含循环关系定义的授权模型执行 Check 和 ListObjects 调用时，OPenFGA 容易受到拒绝服务攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2023-35933
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://openfga.dev/api/service#/Relationship%20Queries/Checkx_refsource_MISC
- https://github.com/openfga/openfga/security/advisories/GHSA-hr9r-8phq-5x8jx_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2023-35933
IV. Related Vulnerabilities
Same product: openfga
- CVE-2026-41131
OpenFGA has Improper Policy Enforcement - CVE-2026-40293
OpenFGA Playground Preshared Key Exposure - CVE-2026-34972
OpenFGA's BatchCheck within-request deduplication produces i - CVE-2026-33729
OpenFGA has an Authorization Bypass through cached keys - CVE-2026-24851
OpenFGA Improper Policy Enforcement
Same vendor: openfga
- CVE-2026-41131
OpenFGA has Improper Policy Enforcement - CVE-2026-40293
OpenFGA Playground Preshared Key Exposure - CVE-2026-34972
OpenFGA's BatchCheck within-request deduplication produces i - CVE-2026-33729
OpenFGA has an Authorization Bypass through cached keys - CVE-2026-24851
OpenFGA Improper Policy Enforcement
Same weakness: CWE-835
- CVE-2026-42310
Pillow: PDF Parsing Trailer Infinite Loop (DoS) - CVE-2026-41511
OpenMcdf has an Infinite loop DoS via crafted CFB directory - CVE-2026-5407
Loop with Unreachable Exit Condition ('Infinite Loop') in Wi - CVE-2026-6536
Loop with Unreachable Exit Condition ('Infinite Loop') in Wi - CVE-2026-6534
Loop with Unreachable Exit Condition ('Infinite Loop') in Wi
V. Comments for CVE-2023-35933
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