{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-105863", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-05T23:06:29.748Z", "datePublished": "2026-10-06T16:39:44.912Z", "dateUpdated": "2026-10-06T16:39:44.912Z"}, "containers": {"cna": {"title": "Payload authentication token field handling issue", "problemTypes": [{"descriptions": [{"cweId": "CWE-290", "lang": "en", "description": "CWE-290: Authentication Bypass by Spoofing", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-915", "lang": "en", "description": "CWE-915: Improperly Controlled Modification of Dynamically-Determined Object Attributes", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 9.2, "baseSeverity": "CRITICAL", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/payloadcms/payload/security/advisories/GHSA-66wr-7vmr-p5jq", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/payloadcms/payload/security/advisories/GHSA-66wr-7vmr-p5jq"}, {"name": "https://github.com/payloadcms/payload/commit/56cd5cd050a57daebf33159e41e5ff9d4a45239c", "tags": ["x_refsource_MISC"], "url": "https://github.com/payloadcms/payload/commit/56cd5cd050a57daebf33159e41e5ff9d4a45239c"}, {"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": ">= 3.0.0, < 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": "2026-10-06T16:39:44.912Z"}, "descriptions": [{"lang": "en", "value": "Payload is a free and open source headless content management system. In versions after 3.0.0 and before 3.90.0, a custom field option that maps a field to a reserved authentication claim name can place unintended values in the authentication token issued at login. This issue is fixed in version 3.90.0."}], "source": {"advisory": "GHSA-66wr-7vmr-p5jq", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "payload", "vendor": "payloadcms", "versions": [{"status": "affected", "version": ">= 3.0.0, < 3.90.0"}, {"status": "affected", "version": ">= 4.0.0-canary.0, < 4.0.0-canary.34"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Payload is a free and open source headless content management system. In versions after 3.0.0 and before 3.90.0, a custom field option that maps a field to a reserved authentication claim name can place unintended values in the authentication token issued at login. This issue is fixed in version 3.90.0."}], "id": "CVE-2026-105863", "lastModified": "2026-10-06T20:03:40.690", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.2, "baseSeverity": "CRITICAL", "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": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-06T17:17:22.570", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/payloadcms/payload/commit/56cd5cd050a57daebf33159e41e5ff9d4a45239c"}, {"source": "security-advisories@github.com", "url": "https://github.com/payloadcms/payload/releases/tag/v3.90.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/payloadcms/payload/security/advisories/GHSA-66wr-7vmr-p5jq"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-290"}, {"lang": "en", "value": "CWE-915"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.0.0,3.90.0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.0.0-canary.0,4.0.0-canary.34)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "payload", "source": "cna", "vendor": "payloadcms"}, "product": "payload", "vendor": "payloadcms"}], "created": "2026-10-06T19:30:04.884891+00:00", "updated": "2026-10-07T06:15:12.412817+00:00", "vendors": ["payloadcms", "payloadcms$PRODUCT$payload"]}