{"id":"CVE-2026-85985","title":"mariadb: MariaDB: Unauthorized file access via CONNECT engine functions (CVE-2026-85985)","summary":"A flaw was found in MariaDB. Certain file-access User-Defined Functions (UDFs) within the CONNECT storage engine do not properly enforce user privileges or directory restrictions when handling file system paths. An authenticated, low-privi…","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","cvssSource":"vendor","cwe":["CWE-552","CWE-862"],"vendor":"Red Hat","product":"Red Hat Hardened Images","affected":["enterprise_linux 10","enterprise_linux 7","enterprise_linux 8","enterprise_linux 9","hardened_images","openstack_platform_13_queens"],"patched":["hardened_images"],"published":"2026-10-16","updated":"2026-10-19","sourceUpdated":"2026-10-19T11:40:33+00:00","source":"CSAF","sourceUrl":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-85985.json","references":[{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-85985.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-85985"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2554196"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-85985"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-85985"},{"url":"https://github.com/MariaDB/server/commit/4f66ca1b69daf1b7e6a562ca8e86d77a6a70abfe"},{"url":"https://github.com/MariaDB/server/releases/tag/mariadb-10.11.19"},{"url":"https://github.com/MariaDB/server/releases/tag/mariadb-10.6.28"},{"url":"https://github.com/MariaDB/server/releases/tag/mariadb-11.4.13"},{"url":"https://github.com/MariaDB/server/releases/tag/mariadb-11.8.9"},{"url":"https://github.com/MariaDB/server/releases/tag/mariadb-12.3.3"},{"url":"https://github.com/MariaDB/server/releases/tag/mariadb-13.0.2"},{"url":"https://github.com/MariaDB/server/security/advisories/GHSA-2245-9hm3-wxf6"},{"url":"https://jira.mariadb.org/browse/MDEV-40323"},{"url":"https://access.redhat.com/errata/RHSA-2026:84701"}],"tags":["csaf","vex","red-hat","cve.org"],"epss":0.00452,"epssPercentile":0.39054,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-16T16:49:34.979927Z"},"ingestedAt":"2026-10-16T17:24:46.965Z","slug":"CVE-2026-85985","body":"## Overview\n\nA flaw was found in MariaDB. Certain file-access User-Defined Functions (UDFs) within the CONNECT storage engine do not properly enforce user privileges or directory restrictions when handling file system paths. An authenticated, low-privileged database user can exploit this vulnerability to read from or write to unauthorized files on the underlying server, subject to the database process's operating system permissions.\n\n## Vendor advisories\n\n- **RHSA-2026:84701** · Red Hat · fixed in: Red Hat Hardened Images · released 2026-10-19 · [advisory](https://access.redhat.com/errata/RHSA-2026:84701)\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat Hardened Images, Red Hat OpenStack Platform 13 (Queens) · no fix planned: Red Hat OpenStack Platform 13 (Queens), Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, … · updated 2026-10-19 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-85985.json)\n\n**mariadb: MariaDB: Unauthorized file access via CONNECT engine functions** — rated Moderate by Red Hat. Released 2026-10-16, updated 2026-10-19.\n\nAffected:\n\n- Red Hat Enterprise Linux 10\n- Red Hat Enterprise Linux 7\n- Red Hat Enterprise Linux 8\n- Red Hat Enterprise Linux 9\n- Red Hat Hardened Images\n- Red Hat OpenStack Platform 13 (Queens)\n\nFixed:\n\n- Red Hat Hardened Images\n\nNo fix planned:\n\n- Red Hat OpenStack Platform 13 (Queens)\n- Red Hat Enterprise Linux 10\n- Red Hat Enterprise Linux 7\n- Red Hat Enterprise Linux 8\n- Red Hat Enterprise Linux 9\n- Red Hat Hardened Images\n\n## Remediation\n\nFor details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/ https://access.redhat.com/errata/RHSA-2026:84701","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}