{"items":[{"id":"NVI-00015393","kind":"vulnerability","title":"OpenFGA: ListUsers returns a deliberately-excluded user when a `but not` exclusion under a type-bound wildcard is intersected (`and`) with another relation that also grants that user","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-g3pg-frfm-pr2m","CVE-2026-61709"],"plain_summary":"GitHub lists this reviewed advisory for github.com/openfga/openfga. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-0653f8bcc5f0f8a47a51c5c79bd6b017"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-09-16T22:15:10.000Z","value":"5.3 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-637c9245a20c36cfcbb80e29af1810d5"},{"kind":"EPSS","as_of":"2026-11-05T12:03:04.000Z","value":"0.351%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.28928. Missing scores are unknown.","source_id":"sr-0653f8bcc5f0f8a47a51c5c79bd6b017"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-637c9245a20c36cfcbb80e29af1810d5","url":"https://github.com/advisories/GHSA-g3pg-frfm-pr2m","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-g3pg-frfm-pr2m","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T19:09:30.244Z"},{"id":"sr-0653f8bcc5f0f8a47a51c5c79bd6b017","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-61709","publisher":"FIRST EPSS","observed_at":"2026-11-06T07:17:46.393Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-637c9245a20c36cfcbb80e29af1810d5"],"technology":"github.com/openfga/openfga","known_exclusions":[],"conditions_summary":"### Description\n\nIn OpenFGA, the ListUsers API could incorrectly return a user who should have been excluded.\n\n\n### Preconditions\n\nThis applies if all of the following are present:\n\n- The authorization model contains a relation defined as an intersection (and) where at least one operand is an exclusion of the form base but not excluded: e.g. `rel1: (public_user but not blocked) and rel2`\n- The base side of that exclusion is granted through a type-bound public wildcard (e.g. user:*).\n- A user excluded by the but not clause is also granted, via a concrete tuple, through another operand of the intersection.\n- Your application uses ListUsers to enumerate or enforce access\n\n### Fix\n\nUpgrade to OpenFGA v1.18.1 or greater.\n\n### Acknowledgements\n\nOpenFGA would like to thank @5ud0er for the detailed report.","public_affected_ranges":["<= 1.18.0"]}],"null_published_at":"2026-11-07T07:07:46.834Z","source_updated_at":"2026-09-16T22:15:10.000Z","source_disclosed_at":"2026-09-16T22:15:09.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-11-01T19:09:30.244Z"},{"id":"NVI-00015393","kind":"vulnerability","title":"OpenFGA: ListUsers returns a deliberately-excluded user when a `but not` exclusion under a type-bound wildcard is intersected (`and`) with another relation that also grants that user","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-g3pg-frfm-pr2m","CVE-2026-61709"],"plain_summary":"GitHub lists this reviewed advisory for github.com/openfga/openfga. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-0976b119f27ef27e3f6f11cf432ee989"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-09-16T22:15:10.000Z","value":"5.3 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-637c9245a20c36cfcbb80e29af1810d5"},{"kind":"EPSS","as_of":"2026-11-04T12:03:12.000Z","value":"0.351%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.28927. Missing scores are unknown.","source_id":"sr-0976b119f27ef27e3f6f11cf432ee989"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-637c9245a20c36cfcbb80e29af1810d5","url":"https://github.com/advisories/GHSA-g3pg-frfm-pr2m","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-g3pg-frfm-pr2m","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T19:09:30.244Z"},{"id":"sr-0976b119f27ef27e3f6f11cf432ee989","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-61709","publisher":"FIRST EPSS","observed_at":"2026-11-04T23:33:33.056Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-637c9245a20c36cfcbb80e29af1810d5"],"technology":"github.com/openfga/openfga","known_exclusions":[],"conditions_summary":"### Description\n\nIn OpenFGA, the ListUsers API could incorrectly return a user who should have been excluded.\n\n\n### Preconditions\n\nThis applies if all of the following are present:\n\n- The authorization model contains a relation defined as an intersection (and) where at least one operand is an exclusion of the form base but not excluded: e.g. `rel1: (public_user but not blocked) and rel2`\n- The base side of that exclusion is granted through a type-bound public wildcard (e.g. user:*).\n- A user excluded by the but not clause is also granted, via a concrete tuple, through another operand of the intersection.\n- Your application uses ListUsers to enumerate or enforce access\n\n### Fix\n\nUpgrade to OpenFGA v1.18.1 or greater.\n\n### Acknowledgements\n\nOpenFGA would like to thank @5ud0er for the detailed report.","public_affected_ranges":["<= 1.18.0"]}],"null_published_at":"2026-11-06T07:24:11.292Z","source_updated_at":"2026-09-16T22:15:10.000Z","source_disclosed_at":"2026-09-16T22:15:09.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-11-01T19:09:30.244Z"},{"id":"NVI-00015393","kind":"vulnerability","title":"OpenFGA: ListUsers returns a deliberately-excluded user when a `but not` exclusion under a type-bound wildcard is intersected (`and`) with another relation that also grants that user","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-g3pg-frfm-pr2m","CVE-2026-61709"],"plain_summary":"GitHub lists this reviewed advisory for github.com/openfga/openfga. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-637c9245a20c36cfcbb80e29af1810d5"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-09-16T22:15:10.000Z","value":"5.3 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-637c9245a20c36cfcbb80e29af1810d5"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-637c9245a20c36cfcbb80e29af1810d5","url":"https://github.com/advisories/GHSA-g3pg-frfm-pr2m","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-g3pg-frfm-pr2m","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T19:09:30.244Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-637c9245a20c36cfcbb80e29af1810d5"],"technology":"github.com/openfga/openfga","known_exclusions":[],"conditions_summary":"### Description\n\nIn OpenFGA, the ListUsers API could incorrectly return a user who should have been excluded.\n\n\n### Preconditions\n\nThis applies if all of the following are present:\n\n- The authorization model contains a relation defined as an intersection (and) where at least one operand is an exclusion of the form base but not excluded: e.g. `rel1: (public_user but not blocked) and rel2`\n- The base side of that exclusion is granted through a type-bound public wildcard (e.g. user:*).\n- A user excluded by the but not clause is also granted, via a concrete tuple, through another operand of the intersection.\n- Your application uses ListUsers to enumerate or enforce access\n\n### Fix\n\nUpgrade to OpenFGA v1.18.1 or greater.\n\n### Acknowledgements\n\nOpenFGA would like to thank @5ud0er for the detailed report.","public_affected_ranges":["<= 1.18.0"]}],"null_published_at":"2026-11-03T10:03:31.362Z","source_updated_at":"2026-09-16T22:15:10.000Z","source_disclosed_at":"2026-09-16T22:15:09.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-01T19:09:30.244Z"}],"next_cursor":null,"snapshot_revision":"44693"}