Authorization bypass via incomplete contextual-tuple cache keys
Published Jan 13, 2025 · Updated Jan 14, 2025
Authorization bypass in OpenFGA 1.3.8 through 1.8.2 allows remote authenticated users to obtain incorrect access decisions via API requests. The Check cache key omits conditional contextual-tuple condition names and contexts, causing distinct authorization inputs to share a cached result. Exploitation requires caching enabled, a model using conditions, and a Check or ListObjects request with conditional contextual tuples; the resulting decision grants access to protected downstream resources.
Summary
What happened
Authorization bypass in OpenFGA 1.3.8 through 1.8.2 allows remote authenticated users to obtain incorrect access decisions via API requests. The Check cache key omits conditional contextual-tuple condition names and contexts, causing distinct authorization inputs to share a cached result. Exploitation requires caching enabled, a model using conditions, and a Check or ListObjects request with conditional contextual tuples; the resulting decision grants access to protected downstream resources.
The record
- CVE
- CVE-2024-56323
- Published
- Jan 13, 2025
- Updated
- Jan 14, 2025
- Vendor
- OpenFGA
- Product
- OpenFGA
- Classifications
- CWE-285, T1190
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Jan 13, 2025CVE publishedPublication date reported by the CVE source.
- Jan 14, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=>=1.3.8, <1.8.3
What conditions does exploitation require?
What is affected?
Published CVSS scores
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Attacks
What attackers are doing with it
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Public exploit references
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Technologies
Your stack
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Your stack
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