{"id":"CVE-2026-106100","state":"PUBLISHED","title":"Payload: Field-level write access bypass in Payload on MongoDB","description":"Payload is a free and open source headless content management system. In @payloadcms/db-mongodb versions before 3.87.0 and canary versions before 4.0.0-canary.20, an authenticated user who can update a document can modify fields that field-level write access control does not permit that user to change. The Postgres and SQLite adapters are not affected. This issue is fixed in versions 3.87.0 and 4.0.0-canary.20.","publishedAt":"2026-10-06T16:56:55.715Z","updatedAt":"2026-10-06T17:28:55.961Z","severity":{"score":7.1,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["payloadcms payload"],"affected":[{"vendor":"payloadcms","product":"payload","versions":[{"version":"< 3.87.0","status":"affected"},{"version":">= 4.0.0-canary.0, < 4.0.0-canary.20","status":"affected"}]}],"references":["https://github.com/payloadcms/payload/security/advisories/GHSA-4ww4-68q3-h7g5","https://github.com/payloadcms/payload/commit/2a69863deb0e3c87e36c1b3b17ab2d5b02fcb941","https://github.com/payloadcms/payload/commit/8f77dffa9552885ec2710768cfee15b57e389935","https://github.com/payloadcms/payload/releases/tag/v3.87.0"],"weaknesses":["CWE-639","CWE-915"],"ingestedAt":"2026-10-29T20:10:23.711Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/106xxx/CVE-2026-106100.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-106100","state":"PUBLISHED","datePublished":"2026-10-06T16:56:55.715Z","dateUpdated":"2026-10-06T17:28:55.961Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-10-06T15:33:55.332Z"},"containers":{"cna":{"title":"Payload: Field-level write access bypass in Payload on MongoDB","descriptions":[{"lang":"en","value":"Payload is a free and open source headless content management system. In @payloadcms/db-mongodb versions before 3.87.0 and canary versions before 4.0.0-canary.20, an authenticated user who can update a document can modify fields that field-level write access control does not permit that user to change. The Postgres and SQLite adapters are not affected. This issue is fixed in versions 3.87.0 and 4.0.0-canary.20."}],"affected":[{"vendor":"payloadcms","product":"payload","versions":[{"version":"< 3.87.0","status":"affected"},{"version":">= 4.0.0-canary.0, < 4.0.0-canary.20","status":"affected"}]}],"references":[{"url":"https://github.com/payloadcms/payload/security/advisories/GHSA-4ww4-68q3-h7g5","name":"https://github.com/payloadcms/payload/security/advisories/GHSA-4ww4-68q3-h7g5","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/payloadcms/payload/commit/2a69863deb0e3c87e36c1b3b17ab2d5b02fcb941","name":"https://github.com/payloadcms/payload/commit/2a69863deb0e3c87e36c1b3b17ab2d5b02fcb941","tags":["x_refsource_MISC"]},{"url":"https://github.com/payloadcms/payload/commit/8f77dffa9552885ec2710768cfee15b57e389935","name":"https://github.com/payloadcms/payload/commit/8f77dffa9552885ec2710768cfee15b57e389935","tags":["x_refsource_MISC"]},{"url":"https://github.com/payloadcms/payload/releases/tag/v3.87.0","name":"https://github.com/payloadcms/payload/releases/tag/v3.87.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.1,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-639","lang":"en","description":"CWE-639: Authorization Bypass Through User-Controlled Key","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-915","lang":"en","description":"CWE-915: Improperly Controlled Modification of Dynamically-Determined Object Attributes","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-10-06T16:56:55.715Z"},"source":{"advisory":"GHSA-4ww4-68q3-h7g5","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-06T17:28:47.529744Z","id":"CVE-2026-106100","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-06T17:28:55.961Z"}}]}}}