{"id":"CVE-2026-109959","summary":"EspoCRM 4.0.0 before 10.0.7 Field-Level Security Bypass via Note Read Endpoint","details":"EspoCRM 4.0.0 before 10.0.7 contains an access control vulnerability that allows authenticated users to read audited field values restricted by field-level security by fetching individual stream notes. Users with stream access to a parent record can request GET /Note/{id}, which skips the NoteAccessControl filter, and recover data.attributes.was and became values of restricted fields.","aliases":["GHSA-mr36-xx82-qf6h"],"modified":"2026-10-14T02:48:25.793939742Z","published":"2026-10-13T13:27:22.182Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109959.json","cna_assigner":"VulnCheck","cwe_ids":["CWE-200"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109959.json"},{"type":"ADVISORY","url":"https://github.com/espocrm/espocrm/security/advisories/GHSA-mr36-xx82-qf6h"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-109959"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/espocrm-4.0.0-before-10.0.7-field-level-security-bypass-via-note-read-endpoint"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/espocrm/espocrm","events":[{"introduced":"31f380a03a3ed331b419aec513397a1ba7cef868"},{"fixed":"a79bc403164cc291dbcf7b99afbaf6c17cbf1066"}],"database_specific":{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"4.0.0"},{"fixed":"10.0.7"}]}}],"versions":["10.0.6","10.0.5","10.0.4","10.0.3","10.0.2","10.0.1","10.0.0","9.3.0","9.2.0","9.1.0","9.0.2","9.0.1","9.0.0","8.4.0","8.2.0","8.1.0","8.0.2","8.0.1","8.0.0","7.4.3","7.4.2","7.4.1","7.4.0","7.3.0","7.2.0","7.1.3","7.1.2","7.1.1","7.1.0","7.0.8","7.0.7","7.0.6","7.0.5","7.0.4","7.0.3","7.0.2","7.0.1","7.0.0","6.0.1","6.0.0","6.0.0-beta4","6.0.0-beta2","6.0.0-beta1","5.9.2","5.9.1","5.9.0","5.8.2","5.8.1","5.8.0","5.7.5","5.7.4","5.7.3","5.7.2","5.7.1","5.7.0","5.6.1","5.6.0","5.5.1","5.5.0","5.4.3","5.4.2","5.4.1","5.4.0","5.3.2","5.3.1","5.3.0","5.2.5","5.2.4","5.2.3","5.2.2","5.2.1","5.2.0","5.1.2","5.1.1","5.1.0","5.0.1","5.0.0","4.8.0","4.7.0","4.6.0","4.5.0","4.4.0","4.3.0","4.3.0-beta.2","4.3.0-beta.1","4.2.4","4.2.3","4.2.2","4.2.1","4.2.0","4.1.4","4.1.3","4.1.2","4.1.1","4.1.0","4.0.3","4.0.2","4.0.1","4.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-109959.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"}]}