{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-115522", "assignerOrgId": "14ed7db2-1595-443d-9d34-6215bf890778", "state": "PUBLISHED", "assignerShortName": "Google", "dateReserved": "2026-10-22T18:18:29.284Z", "datePublished": "2026-10-28T04:36:49.927Z", "dateUpdated": "2026-10-28T04:36:49.927Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "14ed7db2-1595-443d-9d34-6215bf890778", "shortName": "Google", "dateUpdated": "2026-10-28T04:36:49.927Z"}, "title": "Cross-Application Artifact Namespace Isolation in Google Agent Development Kit (ADK) for Python", "datePublic": "2026-07-29T00:00:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-668", "description": "CWE-668 Exposure of Resource to Wrong Sphere", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-1", "descriptions": [{"lang": "en", "value": "CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs"}]}], "affected": [{"vendor": "Google", "product": "Agent Development Kit (ADK) for Python", "packageName": "google-adk", "repo": "https://github.com/google/adk-python", "versions": [{"status": "affected", "version": "1.19.0", "lessThan": "1.39.1", "versionType": "semver"}, {"status": "affected", "version": "2.0.0a1", "lessThan": "2.7.0", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Exposure of Resource to Wrong Sphere (CWE-668) in FileArtifactService in Google Agent Development Kit (ADK) for Python (google-adk) versions 1.19.0 before 1.39.1 and 2.0.0a1 before 2.7.0 allows a caller in one application to list, read, overwrite, or delete artifacts belonging to another application when both applications share a FileArtifactService root directory and use the same user_id (and session_id for session-scoped artifacts). 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{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageName": "google-adk", "product": "Agent Development Kit (ADK) for Python", "repo": "https://github.com/google/adk-python", "vendor": "Google", "versions": [{"lessThan": "1.39.1", "status": "affected", "version": "1.19.0", "versionType": "semver"}, {"lessThan": "2.7.0", "status": "affected", "version": "2.0.0a1", "versionType": "semver"}]}], "source": "cve-coordination@google.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Exposure of Resource to Wrong Sphere (CWE-668) in FileArtifactService in Google Agent Development Kit (ADK) for Python (google-adk) versions 1.19.0 before 1.39.1 and 2.0.0a1 before 2.7.0 allows a caller in one application to list, read, overwrite, or delete artifacts belonging to another application when both applications share a FileArtifactService root directory and use the same user_id (and session_id for session-scoped artifacts). FileArtifactService accepted app_name across its public API methods but omitted app_name when constructing on-disk paths (root/users/{user_id}/... instead of root/apps/{app_name}/users/{user_id}/...). Version 2.6.0 scoped writes by app_name but retained a legacy root/users/{user_id} fallback for reads and deletes; version 2.7.0 and the 1.x backport in version 1.39.1 removed the fallback and enforce full per-app path scoping."}], "id": "CVE-2026-115522", "lastModified": "2026-10-28T05:16:59.833", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/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", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cve-coordination@google.com", "type": "Secondary"}]}, "published": "2026-10-28T05:16:59.833", "references": [{"source": "cve-coordination@google.com", "url": "https://github.com/google/adk-python/commit/0ae2bffdd2628af6c8643bc4fd40c2f49f0c6bd4"}, {"source": "cve-coordination@google.com", "url": "https://github.com/google/adk-python/commit/c27d8688ed9ea619587ad96cbfd641c34dd7340c"}, {"source": "cve-coordination@google.com", "url": "https://github.com/google/adk-python/commit/f72f0db58c5c1f4e8b8d4f04b8c592c9e49cbe9e"}, {"source": "cve-coordination@google.com", "url": "https://github.com/google/adk-python/issues/5618"}, {"source": "cve-coordination@google.com", "url": "https://github.com/google/adk-python/pull/5619"}, {"source": "cve-coordination@google.com", "url": "https://github.com/google/adk-python/releases/tag/v1.39.1"}, {"source": "cve-coordination@google.com", "url": "https://github.com/google/adk-python/releases/tag/v2.7.0"}], "sourceIdentifier": "cve-coordination@google.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-668"}], "source": "cve-coordination@google.com", "type": "Secondary"}]}

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{"created": "2026-10-28T05:30:14.793548+00:00", "updated": "2026-10-28T05:30:14.793561+00:00", "vendors": []}