CVE-2026-55170

unknowncovered by 1 sourcefirst seen 2026-07-09

OpenFGA is an authorization/permission engine built for developers. Prior to 1.18.0, when MySQL is being used as the datastore and authorization decisions rely on case-sensitive user strings, the tuple, changelog, and authorization_model identifier columns can compare case-distinct values such as user:Alice and user:alice as equivalent, causing two distinct check requests to return the same response. This issue is fixed in 1.18.0.

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Exploitation outlook

Low exploitation risk0.34% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 26% of all EPSS-scored CVEs.

Advisory coverage (1)

unknownCVE-2026-55170: OpenFGA is an authorization/permission engine built for developers. Prior to 1.18.0, when MySQ…nvd · 2026-07-09

External references

NVD record for CVE-2026-55170

CVE.org record

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