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CVE-2026-55170

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:78378c286f7e383c1b22198cf4fd1c18703c91151b2125d66d7df2e46d12f998
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"openfga","vendor":"openfga","versions":[{"status":"affected","version":"< 1.18.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ebd48ec55c3ab14bf325362f82c03f9e63fd85934ee70633f31af556549afdbe · sha256:bf99a0bbcb69b25f… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":2.1,"baseSeverity":"LOW","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"PASSIVE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:ebd48ec55c3ab14bf325362f82c03f9e63fd85934ee70633f31af556549afdbe · sha256:bf99a0bbcb69b25f… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-178","description":"CWE-178: Improper Handling of Case Sensitivity","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:ebd48ec55c3ab14bf325362f82c03f9e63fd85934ee70633f31af556549afdbe · sha256:bf99a0bbcb69b25f… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"name":"https://github.com/openfga/helm-charts/commit/96d5517a2693ff5def451dee7d6b9d1baeb281f8","tags":["x_refsource_MISC"],"url":"https://github.com/openfga/helm-charts/commit/96d5517a2693ff5def451dee7d6b9d1baeb281f8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ebd48ec55c3ab14bf325362f82c03f9e63fd85934ee70633f31af556549afdbe · sha256:bf99a0bbcb69b25f… · /containers/cna/references/1
{"name":"https://github.com/openfga/helm-charts/releases/tag/openfga-0.3.9","tags":["x_refsource_MISC"],"url":"https://github.com/openfga/helm-charts/releases/tag/openfga-0.3.9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ebd48ec55c3ab14bf325362f82c03f9e63fd85934ee70633f31af556549afdbe · sha256:bf99a0bbcb69b25f… · /containers/cna/references/3
{"name":"https://github.com/openfga/openfga/commit/a2e0dbefc3e01a95c785f81a3563bc6571b08b11","tags":["x_refsource_MISC"],"url":"https://github.com/openfga/openfga/commit/a2e0dbefc3e01a95c785f81a3563bc6571b08b11"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ebd48ec55c3ab14bf325362f82c03f9e63fd85934ee70633f31af556549afdbe · sha256:bf99a0bbcb69b25f… · /containers/cna/references/2
{"name":"https://github.com/openfga/openfga/releases/tag/v1.18.0","tags":["x_refsource_MISC"],"url":"https://github.com/openfga/openfga/releases/tag/v1.18.0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ebd48ec55c3ab14bf325362f82c03f9e63fd85934ee70633f31af556549afdbe · sha256:bf99a0bbcb69b25f… · /containers/cna/references/4
{"name":"https://github.com/openfga/openfga/security/advisories/GHSA-cf98-j28v-49v6","tags":["x_refsource_CONFIRM"],"url":"https://github.com/openfga/openfga/security/advisories/GHSA-cf98-j28v-49v6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ebd48ec55c3ab14bf325362f82c03f9e63fd85934ee70633f31af556549afdbe · sha256:bf99a0bbcb69b25f… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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