{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-92787", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-09-16T19:31:52.404Z", "datePublished": "2026-09-16T20:32:43.913Z", "dateUpdated": "2026-09-19T01:42:30.616Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-09-16T20:32:43.913Z" }, "datePublic": "2026-08-26T00:00:00.000Z", "title": "Feast through 0.66.0 Authentication Bypass via Unverified Token", "descriptions": [ { "lang": "en", "value": "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." } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "Use of Hard-coded Credentials", "cweId": "CWE-798", "type": "CWE" } ] } ], "affected": [ { "vendor": "feast-dev", "product": "feast", "defaultStatus": "unaffected", "packageURL": "pkg:pypi/feast", "versions": [ { "version": "0", "lessThanOrEqual": "0.66.0", "status": "affected", "versionType": "semver" } ] } ], "metrics": [ { "format": "CVSS", "cvssV4_0": { "version": "4.0", "vectorString": "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", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 9.3, "baseSeverity": "CRITICAL" } }, { "format": "CVSS", "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL" } } ], "references": [ { "url": "https://github.com/feast-dev/feast/issues/6785", "tags": [ "issue-tracking" ], "name": "GitHub Issue #6785" }, { "url": "https://github.com/feast-dev/feast", "tags": [ "product" ] }, { "url": "https://github.com/feast-dev/feast/blob/v0.66.0/sdk/python/feast/permissions/security_manager.py#L248-L264", "tags": [ "technical-description" ], "name": "is_auth_necessary skips all permission checks for the intra-communication identity" }, { "url": "https://github.com/feast-dev/feast/blob/f296d4b/sdk/python/feast/permissions/auth/oidc_token_parser.py#L152-L156", "tags": [ "technical-description" ], "name": "the identity is taken from an explicitly unverified JWT decode" }, { "url": "https://github.com/feast-dev/feast/blob/f296d4b/infra/charts/feast-feature-server/templates/deployment.yaml#L46-L47", "tags": [ "technical-description" ], "name": "the Helm chart hardcodes the trusted value" }, { "name": "VulnCheck Advisory: Feast through 0.66.0 Authentication Bypass via Unverified Token", "tags": [ "third-party-advisory" ], "url": "https://www.vulncheck.com/advisories/feast-through-0.66.0-authentication-bypass-via-unverified-token" } ], "credits": [ { "lang": "en", "value": "George Chen", "type": "finder" } ], "x_generator": { "engine": "vulncheck-endgame" } }, "adp": [ { "references": [ { "url": "https://github.com/feast-dev/feast/issues/6785", "tags": [ "exploit" ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-09-19T01:41:54.533158Z", "id": "CVE-2026-92787", "options": [ { "Exploitation": "poc" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-19T01:42:30.616Z" } } ] } }