{"items":[{"id":"NVI-00018259","kind":"vulnerability","title":"SpiceDB: Caveat structures with nested lists can result in improper cache reuse","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-mqcf-gqvg-rmhm","CVE-2026-46668"],"plain_summary":"GitHub lists this reviewed advisory for github.com/authzed/spicedb. 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-016d719839f37b7531f036a225287968"],"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":[],"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-016d719839f37b7531f036a225287968","url":"https://github.com/advisories/GHSA-mqcf-gqvg-rmhm","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-mqcf-gqvg-rmhm","publisher":"GitHub Advisory Database","observed_at":"2026-11-06T15:13:13.153Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-016d719839f37b7531f036a225287968"],"technology":"github.com/authzed/spicedb","known_exclusions":[],"conditions_summary":"### Impact\nUsers are impacted if:\n\n- They have a caveat structure with a nested list, e.g.:\n  \n```zed\n  caveat shape(x list) {\n    x == [[\"a\"], \"b\"]\n  }\n  ```\n- Their system exercises that caveat with either CheckBulkPermission or else LookupResources running with the `--experimental-lookup-resources-version` flag set to `lr3`, implying they are using the experimental version 3 of `LookupResources`\n-  An attacker can cause the system to craft a request to SpiceDB where either:\n    1. It's a `CheckBulk` request where there are two check items that are identical except for their combined caveat context, and one of the caveat contexts evaluates positively and the other evaluates negatively\n    2. It's a `LookupResources` request where two resources have the same evaluation contents except for their caveat context, and one would evaluate positively and the other would evaluate negatively\n\nIf all of the above are true, it would be possible for SpiceDB to errone","public_affected_ranges":[">= 1.15.0, < 1.52.0"]}],"null_published_at":"2026-11-07T07:07:39.795Z","source_updated_at":"2026-06-11T14:05:33.000Z","source_disclosed_at":"2026-05-21T20:28:43.000Z","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":"2026-11-06T15:13:13.153Z"}],"next_cursor":null,"snapshot_revision":"42594"}