CVE-2026-34972
OpenFGA's BatchCheck within-request deduplication produces incorrect authorization decisions via list-value cache-key collision
CVSS Score
5.0
EPSS Score
0.0%
EPSS Percentile
10th
OpenFGA is a high-performance and flexible authorization/permission engine built for developers and inspired by Google Zanzibar. From 1.8.0 to 1.13.1, under specific conditions, BatchCheck calls with multiple checks sent for the same object, relation, and user combination can result in improper policy enforcement. This vulnerability is fixed in 1.14.0.
| CWE | CWE-863 |
| Vendor | openfga |
| Product | openfga |
| Published | Apr 6, 2026 |
| Last Updated | Apr 7, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low
Affected Versions
openfga / openfga
>= 1.8.0, < 1.14.0