CVE-2026-105863

{"id": "CVE-2026-105863", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-105863", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-10-09T01:15:22.805238Z"}}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.4, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.5, "exploitabilityScore": 3.9}], "cvssMetricV40": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 9.2, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "payloadcms", "product": "payload", "versions": [{"status": "affected", "version": ">= 3.0.0, < 3.90.0"}, {"status": "affected", "version": ">= 4.0.0-canary.0, < 4.0.0-canary.34"}]}]}], "published": "2026-10-06T17:17:22.570", "references": [{"url": "https://github.com/payloadcms/payload/commit/56cd5cd050a57daebf33159e41e5ff9d4a45239c", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/payloadcms/payload/releases/tag/v3.90.0", "tags": ["Patch", "Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/payloadcms/payload/security/advisories/GHSA-66wr-7vmr-p5jq", "tags": ["Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-290"}, {"lang": "en", "value": "CWE-915"}]}], "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."}], "lastModified": "2026-10-15T00:09:08.310", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:payloadcms:payload:*:*:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "92C1C29A-B0FF-4B57-BAD3-EF22BA4E2D67", "versionEndExcluding": "3.90.0", "versionStartIncluding": "3.0.0"}, {"criteria": "cpe:2.3:a:payloadcms:payload:4.0.0:canary0:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "53DD9574-106C-4C33-A3D6-BFEB23E4917C"}, {"criteria": "cpe:2.3:a:payloadcms:payload:4.0.0:canary1:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "1196BA40-0A6E-4559-8BD3-05D0976992DA"}, {"criteria": "cpe:2.3:a:payloadcms:payload:4.0.0:canary10:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "B3464160-9869-4F32-B5B7-0894A6ECFCD4"}, {"criteria": "cpe:2.3:a:payloadcms:payload:4.0.0:canary11:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "7FB24227-53EC-432D-8B9F-139A5E091C4E"}, 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