要点
- CVE-2026-34972 は github.com/openfga/openfga, helm charts (openfga), openfga (openfga) に影響する深刻度「高」 (CVSS 8.8) の脆弱性です。
- 今後30日間に悪用される確率（EPSS）：0.21%（全脆弱性の 11.3% より高い）。
- 対処：1.14.0, 0.2.62 以降に更新してください。
概要
Description
In OpenFGA, under specific conditions, BatchCheck calls with multiple checks sent for the same object, relation, and user combination can result in improper policy enforcement.
Am I affected?
You are affected if you meet the following preconditions:
- You execute BatchCheck operations which rely on context.
- Multiple checks are sent within a single BatchCheck operation for the same user/object/relation combination, each containing context.
- The contexts between those checks differ in a specific way
Fix
Upgrade to OpenFGA v1.14.0
Acknowledgement
OpenFGA would like to thank @bugbunny-research for the discovery and detailed report.
NVD の説明
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.
github.com/openfga/openfga のその他の脆弱性
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