CVE-2026-34972

OpenFGA's BatchCheck within-request deduplication produces incorrect authorization decisions via list-value cache-key collision

CVSS 5 MEDIUMEPSS 0.2%CWE-863

Vexday Risk Score

13Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS 5EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

06 abr 2026Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

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.

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

Produtos afetados

openfga · openfga

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Referências

https://github.com/openfga/openfga/security/advisories/GHSA-jwvj-g8pc-cx45