{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-107822", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-08T21:23:59.823Z", "datePublished": "2026-10-09T17:28:47.578Z", "dateUpdated": "2026-10-09T17:28:47.578Z"}, "containers": {"cna": {"title": "MariaDB: database privilege escalation via user / role name collision in the acl cache", "problemTypes": [{"descriptions": [{"cweId": "CWE-706", "lang": "en", "description": "CWE-706: Use of Incorrectly-Resolved Name or Reference", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-863", "lang": "en", "description": "CWE-863: Incorrect Authorization", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/MariaDB/server/security/advisories/GHSA-2m85-2x26-36rf", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/MariaDB/server/security/advisories/GHSA-2m85-2x26-36rf"}, {"name": "https://github.com/MariaDB/server/commit/67ea07dd3400004e4f7ae01bf977f4344bbe064b", "tags": ["x_refsource_MISC"], "url": "https://github.com/MariaDB/server/commit/67ea07dd3400004e4f7ae01bf977f4344bbe064b"}, {"name": "https://github.com/MariaDB/server/releases/tag/mariadb-10.11.19", "tags": ["x_refsource_MISC"], "url": "https://github.com/MariaDB/server/releases/tag/mariadb-10.11.19"}, {"name": "https://github.com/MariaDB/server/releases/tag/mariadb-10.6.28", "tags": ["x_refsource_MISC"], "url": "https://github.com/MariaDB/server/releases/tag/mariadb-10.6.28"}, {"name": "https://github.com/MariaDB/server/releases/tag/mariadb-11.4.13", "tags": ["x_refsource_MISC"], "url": "https://github.com/MariaDB/server/releases/tag/mariadb-11.4.13"}, {"name": "https://github.com/MariaDB/server/releases/tag/mariadb-11.8.9", "tags": ["x_refsource_MISC"], "url": "https://github.com/MariaDB/server/releases/tag/mariadb-11.8.9"}, {"name": "https://github.com/MariaDB/server/releases/tag/mariadb-12.3.3", "tags": ["x_refsource_MISC"], "url": "https://github.com/MariaDB/server/releases/tag/mariadb-12.3.3"}, {"name": "https://github.com/MariaDB/server/releases/tag/mariadb-13.0.2", "tags": ["x_refsource_MISC"], "url": "https://github.com/MariaDB/server/releases/tag/mariadb-13.0.2"}, {"name": "https://jira.mariadb.org/browse/MDEV-40541", "tags": ["x_refsource_MISC"], "url": "https://jira.mariadb.org/browse/MDEV-40541"}], "affected": [{"vendor": "MariaDB", "product": "server", "versions": [{"version": ">= 10.6.1, < 10.6.28", "status": "affected"}, {"version": ">= 10.11.1, < 10.11.19", "status": "affected"}, {"version": ">= 11.4.1, < 11.4.13", "status": "affected"}, {"version": ">= 11.8.1, < 11.8.9", "status": "affected"}, {"version": ">= 12.3.1, < 12.3.3", "status": "affected"}, {"version": ">= 13.0.1, < 13.0.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-09T17:28:47.578Z"}, "descriptions": [{"lang": "en", "value": "MariaDB server is a community developed fork of MySQL server. From 10.6.1 until 10.6.28, 10.11.19, 11.4.13, 11.8.9, 12.3.3, and 13.0.2, MariaDB's ACL cache could generate the same database-privilege cache key for role and localhost user names that matched because both used an empty IP component. An attacker with CREATE USER could create the colliding principal and, when the original principal's database privileges were cached, exercise privileges assigned to the other account. This issue is fixed in versions 10.6.28, 10.11.19, 11.4.13, 11.8.9, 12.3.3, and 13.0.2."}], "source": {"advisory": "GHSA-2m85-2x26-36rf", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "server", "vendor": "MariaDB", "versions": [{"status": "affected", "version": ">= 10.6.1, < 10.6.28"}, {"status": "affected", "version": ">= 10.11.1, < 10.11.19"}, {"status": "affected", "version": ">= 11.4.1, < 11.4.13"}, {"status": "affected", "version": ">= 11.8.1, < 11.8.9"}, {"status": "affected", "version": ">= 12.3.1, < 12.3.3"}, {"status": "affected", "version": ">= 13.0.1, < 13.0.2"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "MariaDB server is a community developed fork of MySQL server. From 10.6.1 until 10.6.28, 10.11.19, 11.4.13, 11.8.9, 12.3.3, and 13.0.2, MariaDB's ACL cache could generate the same database-privilege cache key for role and localhost user names that matched because both used an empty IP component. An attacker with CREATE USER could create the colliding principal and, when the original principal's database privileges were cached, exercise privileges assigned to the other account. This issue is fixed in versions 10.6.28, 10.11.19, 11.4.13, 11.8.9, 12.3.3, and 13.0.2."}], "id": "CVE-2026-107822", "lastModified": "2026-10-09T18:17:04.030", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.5, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-09T18:17:04.030", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/MariaDB/server/commit/67ea07dd3400004e4f7ae01bf977f4344bbe064b"}, {"source": "security-advisories@github.com", "url": "https://github.com/MariaDB/server/releases/tag/mariadb-10.11.19"}, {"source": "security-advisories@github.com", "url": "https://github.com/MariaDB/server/releases/tag/mariadb-10.6.28"}, {"source": "security-advisories@github.com", "url": "https://github.com/MariaDB/server/releases/tag/mariadb-11.4.13"}, {"source": "security-advisories@github.com", "url": "https://github.com/MariaDB/server/releases/tag/mariadb-11.8.9"}, {"source": "security-advisories@github.com", "url": "https://github.com/MariaDB/server/releases/tag/mariadb-12.3.3"}, {"source": "security-advisories@github.com", "url": "https://github.com/MariaDB/server/releases/tag/mariadb-13.0.2"}, {"source": "security-advisories@github.com", "url": "https://github.com/MariaDB/server/security/advisories/GHSA-2m85-2x26-36rf"}, {"source": "security-advisories@github.com", "url": "https://jira.mariadb.org/browse/MDEV-40541"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-706"}, {"lang": "en", "value": "CWE-863"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{"bugzilla": {"description": "mariadb: MariaDB: Privilege escalation via ACL cache key collision", "id": "2548738", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2548738"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.4", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-694", "details": ["A flaw was found in MariaDB. An issue in the Access Control List (ACL) cache causes identical privilege cache keys to be generated when a role and a local user share the same name. An attacker with user creation privileges can exploit this key collision by creating a matching account, allowing them to gain unauthorized access and exercise the database privileges of the targeted account."], "name": "CVE-2026-107822", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "mariadb10.11", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "mariadb11.8", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "mariadb", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "mariadb:10.11/mariadb", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "mariadb:10.3/mariadb", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "mariadb-devel:10.3/mariadb", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "mariadb", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "mariadb:10.11/mariadb", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "mariadb:11.8/mariadb", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "mariadb11.8", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:openstack:13", "fix_state": "Out of support scope", "package_name": "mariadb", "product_name": "Red Hat OpenStack Platform 13 (Queens)"}], "public_date": "2026-10-09T17:28:47Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-107822\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-107822\nhttps://github.com/MariaDB/server/commit/67ea07dd3400004e4f7ae01bf977f4344bbe064b\nhttps://github.com/MariaDB/server/releases/tag/mariadb-10.11.19\nhttps://github.com/MariaDB/server/releases/tag/mariadb-10.6.28\nhttps://github.com/MariaDB/server/releases/tag/mariadb-11.4.13\nhttps://github.com/MariaDB/server/releases/tag/mariadb-11.8.9\nhttps://github.com/MariaDB/server/releases/tag/mariadb-12.3.3\nhttps://github.com/MariaDB/server/releases/tag/mariadb-13.0.2\nhttps://github.com/MariaDB/server/security/advisories/GHSA-2m85-2x26-36rf\nhttps://jira.mariadb.org/browse/MDEV-40541"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[10.6.1,10.6.28)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[10.11.1,10.11.19)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[11.4.1,11.4.13)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[11.8.1,11.8.9)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[12.3.1,12.3.3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[13.0.1,13.0.2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "server", "source": "cna", "vendor": "MariaDB"}, "product": "server", "vendor": "mariadb"}], "created": "2026-10-09T18:30:11.089370+00:00", "updated": "2026-10-10T01:30:14.739889+00:00", "vendors": ["mariadb", "mariadb$PRODUCT$server"]}