{"id":"CVE-2026-92787","aliases":["EUVD-2026-81050","GHSA-4rxv-8f9g-9h5w"],"status":"published","title":"Feast through 0.66.0 Authentication Bypass via Unverified Token","description":"Feast through 0.66.0 fails to verify JWT token signatures before establishing user identity, allowing attackers to bypass all role-based access control by presenting an unverified token with a hardcoded claim value. Attackers can obtain trusted internal identity and gain unchecked read and write access to all entities, feature views, data sources, and permission policies on the server.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.007,"percentile":0.53663,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-798"],"published":"2026-09-16T20:32:43Z","modified":"2026-10-28T02:31:03Z","products":[{"vendor":"feast-dev","product":"feast"}],"references":[{"url":"https://github.com/feast-dev/feast/issues/6785","tags":["issue-tracking","exploit","report"]},{"url":"https://github.com/feast-dev/feast","tags":["product","package"]},{"url":"https://github.com/feast-dev/feast/blob/v0.66.0/sdk/python/feast/permissions/security_manager.py#L248-L264","tags":["technical-description","article"]},{"url":"https://github.com/feast-dev/feast/blob/f296d4b/sdk/python/feast/permissions/auth/oidc_token_parser.py#L152-L156","tags":["technical-description","article"]},{"url":"https://github.com/feast-dev/feast/blob/f296d4b/infra/charts/feast-feature-server/templates/deployment.yaml#L46-L47","tags":["technical-description","article"]},{"url":"https://www.vulncheck.com/advisories/feast-through-0.66.0-authentication-bypass-via-unverified-token","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-92787","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-4rxv-8f9g-9h5w"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92787.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-92787","title":"Feast through 0.66.0 Authentication Bypass via Unverified Token","description":"Feast through 0.66.0 fails to verify JWT token signatures before establishing user identity, allowing attackers to bypass all role-based access control by presenting an unverified token with a hardcoded claim value. Attackers can obtain trusted internal identity and gain unchecked read and write access to all entities, feature views, data sources, and permission policies on the server.","status":"published","published":"2026-09-16T20:32:43.913Z","modified":"2026-09-19T01:42:30.616Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T13:48:24.536396Z"}],"euvd":[{"id":"EUVD-2026-81050","description":"Feast through 0.66.0 fails to verify JWT token signatures before establishing user identity, allowing attackers to bypass all role-based access control by presenting an unverified token with a hardcoded claim value. Attackers can obtain trusted internal identity and gain unchecked read and write access to all entities, feature views, data sources, and permission policies on the server.","status":"published","published":"2026-09-16T20:32:43Z","modified":"2026-09-19T01:42:30Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-02T17:28:06.992666Z"}],"ghsa":[{"id":"GHSA-4rxv-8f9g-9h5w","title":"Feast through 0.66.0 fails to verify JWT token signatures before establishing user identity,...","description":"Feast through 0.66.0 fails to verify JWT token signatures before establishing user identity, allowing attackers to bypass all role-based access control by presenting an unverified token with a hardcoded claim value. Attackers can obtain trusted internal identity and gain unchecked read and write access to all entities, feature views, data sources, and permission policies on the server.","status":"published","published":"2026-09-16T21:32:55Z","modified":"2026-09-16T21:32:56Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T15:12:02.762055Z"}],"nvd":[{"id":"CVE-2026-92787","description":"Feast through 0.66.0 fails to verify JWT token signatures before establishing user identity, allowing attackers to bypass all role-based access control by presenting an unverified token with a hardcoded claim value. Attackers can obtain trusted internal identity and gain unchecked read and write access to all entities, feature views, data sources, and permission policies on the server.","status":"published","published":"2026-09-16T21:17:28.023Z","modified":"2026-09-24T21:08:55.03Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T14:12:49.013904Z"}],"osv":[{"id":"CVE-2026-92787","title":"Feast through 0.66.0 Authentication Bypass via Unverified Token","description":"Feast through 0.66.0 fails to verify JWT token signatures before establishing user identity, allowing attackers to bypass all role-based access control by presenting an unverified token with a hardcoded claim value. Attackers can obtain trusted internal identity and gain unchecked read and write access to all entities, feature views, data sources, and permission policies on the server.","status":"published","published":"2026-09-16T20:32:43.913Z","modified":"2026-10-28T02:31:03.687724805Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T15:45:20.588039Z"}]}}