{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-105858","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-10-05T23:06:29.748Z","datePublished":"2026-10-06T16:29:52.420Z","dateUpdated":"2026-10-09T01:14:15.431Z"},"containers":{"cna":{"title":"Payload: Remote Code Execution through first-register","problemTypes":[{"descriptions":[{"cweId":"CWE-94","lang":"en","description":"CWE-94: Improper Control of Generation of Code ('Code Injection')","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-1321","lang":"en","description":"CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"name":"https://github.com/payloadcms/payload/security/advisories/GHSA-97rh-rhh2-7vjv","tags":["x_refsource_CONFIRM"],"url":"https://github.com/payloadcms/payload/security/advisories/GHSA-97rh-rhh2-7vjv"},{"name":"https://github.com/payloadcms/payload/commit/e947fc4ba4a434f276d043386e501b1d14eda679","tags":["x_refsource_MISC"],"url":"https://github.com/payloadcms/payload/commit/e947fc4ba4a434f276d043386e501b1d14eda679"},{"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"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-10-06T16:29:52.420Z"},"descriptions":[{"lang":"en","value":"Payload is a free and open source headless content management system. In versions before 3.90.0 and canary versions before 4.0.0-canary.34, a crafted request to the public first-register operation can execute code remotely when local authentication is enabled and no initial user has been created. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34."}],"source":{"advisory":"GHSA-97rh-rhh2-7vjv","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-09T01:13:53.118550Z","id":"CVE-2026-105858","options":[{"Exploitation":"none"},{"Automatable":"no"},{"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":"2026-10-09T01:14:15.431Z"}}]}}