{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-119281", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-29T18:50:28.064Z", "datePublished": "2026-10-29T20:58:39.322Z", "dateUpdated": "2026-10-29T20:58:39.322Z"}, "containers": {"cna": {"title": "MariaDB Connector/J: Server could switch character_set_results away from UTF-8 without the client noticing", "problemTypes": [{"descriptions": [{"cweId": "CWE-838", "lang": "en", "description": "CWE-838: Inappropriate Encoding for Output Context", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/mariadb-corporation/mariadb-connector-j/security/advisories/GHSA-grfq-r75j-rw9x", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/mariadb-corporation/mariadb-connector-j/security/advisories/GHSA-grfq-r75j-rw9x"}, {"name": "https://github.com/mariadb-corporation/mariadb-connector-j/commit/af5e565eb171cfc66ea8e948ddc616abed0c4623", "tags": ["x_refsource_MISC"], "url": "https://github.com/mariadb-corporation/mariadb-connector-j/commit/af5e565eb171cfc66ea8e948ddc616abed0c4623"}, {"name": "https://github.com/mariadb-corporation/mariadb-connector-j/commit/d51b968c1b795c73d24e0b3f960205b7bc82d423", "tags": ["x_refsource_MISC"], "url": "https://github.com/mariadb-corporation/mariadb-connector-j/commit/d51b968c1b795c73d24e0b3f960205b7bc82d423"}, {"name": "https://github.com/mariadb-corporation/mariadb-connector-j/commit/fdabe74a7df6dce1d6c099f4d0ca1e2acc25919a", "tags": ["x_refsource_MISC"], "url": "https://github.com/mariadb-corporation/mariadb-connector-j/commit/fdabe74a7df6dce1d6c099f4d0ca1e2acc25919a"}, {"name": "https://github.com/mariadb-corporation/mariadb-connector-j/releases/tag/3.3.7", "tags": ["x_refsource_MISC"], "url": "https://github.com/mariadb-corporation/mariadb-connector-j/releases/tag/3.3.7"}, {"name": "https://github.com/mariadb-corporation/mariadb-connector-j/releases/tag/3.4.5", "tags": ["x_refsource_MISC"], "url": "https://github.com/mariadb-corporation/mariadb-connector-j/releases/tag/3.4.5"}, {"name": "https://github.com/mariadb-corporation/mariadb-connector-j/releases/tag/3.5.11", "tags": ["x_refsource_MISC"], "url": "https://github.com/mariadb-corporation/mariadb-connector-j/releases/tag/3.5.11"}], "affected": [{"vendor": "mariadb-corporation", "product": "mariadb-connector-j", "versions": [{"version": ">= 3.0.0, < 3.3.7", "status": "affected"}, {"version": ">= 3.4.0, < 3.4.5", "status": "affected"}, {"version": ">= 3.5.0, < 3.5.11", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-29T20:58:39.322Z"}, "descriptions": [{"lang": "en", "value": "MariaDB Connector/J is used to connect applications developed in Java to MariaDB and MySQL databases. From 3.0.0 until 3.3.7, 3.4.5, and 3.5.11, the connector assumed result bytes were UTF-8 but guarded only changes to character_set_client. It did not reject non-UTF-8 character_set_results changes and relied on the server's global session_track_system_variables configuration to report character-set changes. A malicious or compromised server, or a machine-in-the-middle attacker, could suppress tracking or change the result charset so application strings differed from the returned bytes, potentially defeating application-side validation or escaping that depended on the decoded values. This issue is fixed in versions 3.3.7, 3.4.5, and 3.5.11."}], "source": {"advisory": "GHSA-grfq-r75j-rw9x", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "mariadb-connector-j", "vendor": "mariadb-corporation", "versions": [{"status": "affected", "version": ">= 3.0.0, < 3.3.7"}, {"status": "affected", "version": ">= 3.4.0, < 3.4.5"}, {"status": "affected", "version": ">= 3.5.0, < 3.5.11"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "MariaDB Connector/J is used to connect applications developed in Java to MariaDB and MySQL databases. From 3.0.0 until 3.3.7, 3.4.5, and 3.5.11, the connector assumed result bytes were UTF-8 but guarded only changes to character_set_client. It did not reject non-UTF-8 character_set_results changes and relied on the server's global session_track_system_variables configuration to report character-set changes. A malicious or compromised server, or a machine-in-the-middle attacker, could suppress tracking or change the result charset so application strings differed from the returned bytes, potentially defeating application-side validation or escaping that depended on the decoded values. This issue is fixed in versions 3.3.7, 3.4.5, and 3.5.11."}], "id": "CVE-2026-119281", "lastModified": "2026-10-29T21:17:21.710", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-29T21:17:21.710", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/mariadb-corporation/mariadb-connector-j/commit/af5e565eb171cfc66ea8e948ddc616abed0c4623"}, {"source": "security-advisories@github.com", "url": "https://github.com/mariadb-corporation/mariadb-connector-j/commit/d51b968c1b795c73d24e0b3f960205b7bc82d423"}, {"source": "security-advisories@github.com", "url": "https://github.com/mariadb-corporation/mariadb-connector-j/commit/fdabe74a7df6dce1d6c099f4d0ca1e2acc25919a"}, {"source": "security-advisories@github.com", "url": "https://github.com/mariadb-corporation/mariadb-connector-j/releases/tag/3.3.7"}, {"source": "security-advisories@github.com", "url": "https://github.com/mariadb-corporation/mariadb-connector-j/releases/tag/3.4.5"}, {"source": "security-advisories@github.com", "url": "https://github.com/mariadb-corporation/mariadb-connector-j/releases/tag/3.5.11"}, {"source": "security-advisories@github.com", "url": "https://github.com/mariadb-corporation/mariadb-connector-j/security/advisories/GHSA-grfq-r75j-rw9x"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-838"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.0.0,3.3.7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.4.0,3.4.5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.5.0,3.5.11)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "mariadb-connector-j", "source": "cna", "vendor": "mariadb-corporation"}, "product": "mariadb-connector-j", "vendor": "mariadb"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.0.0,3.3.7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.4.0,3.4.5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.5.0,3.5.11)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "mariadb-connector-j", "source": "cna", "vendor": "mariadb-corporation"}, "product": "mariadb-connector-j", "vendor": "mariadb-corporation"}], "created": "2026-10-29T22:30:12.849115+00:00", "updated": "2026-10-29T22:30:12.849162+00:00", "vendors": ["mariadb", "mariadb$PRODUCT$mariadb-connector-j", "mariadb-corporation", "mariadb-corporation$PRODUCT$mariadb-connector-j"]}