{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-105864","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-10-05T23:06:29.748Z","datePublished":"2026-10-06T16:42:27.942Z","dateUpdated":"2026-10-06T17:25:18.758Z"},"containers":{"cna":{"title":"Payload: Cross-tenant create in @payloadcms/plugin-multi-tenant","problemTypes":[{"descriptions":[{"cweId":"CWE-863","lang":"en","description":"CWE-863: Incorrect Authorization","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0"}}],"references":[{"name":"https://github.com/payloadcms/payload/security/advisories/GHSA-xhm9-gwgw-3q2q","tags":["x_refsource_CONFIRM"],"url":"https://github.com/payloadcms/payload/security/advisories/GHSA-xhm9-gwgw-3q2q"},{"name":"https://github.com/payloadcms/payload/commit/b8fc06a18afb6974dc07f95ac1e541c716e5926b","tags":["x_refsource_MISC"],"url":"https://github.com/payloadcms/payload/commit/b8fc06a18afb6974dc07f95ac1e541c716e5926b"},{"name":"https://github.com/payloadcms/payload/releases/tag/v3.90.0","tags":["x_refsource_MISC"],"url":"https://github.com/payloadcms/payload/releases/tag/v3.90.0"}],"affected":[{"vendor":"payloadcms","product":"payload","versions":[{"version":"< 3.90.0","status":"affected"},{"version":">= 4.0.0-canary.0, < 4.0.0-canary.34","status":"affected"}]},{"vendor":"@payloadcms","product":"plugin-multi-tenant","versions":[{"version":"< 3.90.0","status":"affected"},{"version":">= 4.0.0-canary.0, < 4.0.0-canary.34","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-10-06T16:42:27.942Z"},"descriptions":[{"lang":"en","value":"Payload is a free and open source headless content management system. In @payloadcms/plugin-multi-tenant versions before 3.90.0 and canary versions before 4.0.0-canary.34, an authenticated user limited to one tenant can create a record in another tenant when at least one tenant-enabled collection exists. Reads and direct edits of existing documents in the target tenant are not bypassed. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34."}],"source":{"advisory":"GHSA-xhm9-gwgw-3q2q","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-06T17:25:08.590502Z","id":"CVE-2026-105864","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-06T17:25:18.758Z"}}]}}