CVE-2026-101775

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-101775", "assignerOrgId": "43595867-4340-4103-b7a2-9a5208d29a85", "state": "PUBLISHED", "assignerShortName": "oracle", "dateReserved": "2026-09-28T15:40:09.505Z", "datePublished": "2026-10-20T21:22:51.486Z", "dateUpdated": "2026-10-22T17:30:50.908Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "43595867-4340-4103-b7a2-9a5208d29a85", "shortName": "oracle", "dateUpdated": "2026-10-20T21:22:51.486Z"}, "problemTypes": [{"descriptions": [{"lang": "en-US", "description": "Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all MySQL Server, MySQL Cluster accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster."}]}], "affected": [{"vendor": "Oracle Corporation", "product": "MySQL Server", "versions": [{"version": "8.4.0-8.4.12", "status": "affected"}, {"version": "9.7.0-9.7.3", "status": "affected"}, {"version": "26.7.0-26.7.1", "status": "affected"}]}, {"vendor": "Oracle Corporation", "product": "MySQL Cluster", "versions": [{"version": "8.0.0-8.0.49", "status": "affected"}, {"version": "8.4.0-8.4.12", "status": "affected"}, {"version": "9.7.0-9.7.3", "status": "affected"}, {"version": "26.7.0-26.7.1", "status": "affected"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*", "versionStartIncluding": "8.4.0", "versionEndIncluding": "8.4.12"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*", "versionStartIncluding": "9.7.0", "versionEndIncluding": "9.7.3"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*", "versionStartIncluding": "26.7.0", "versionEndIncluding": "26.7.1"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:*", "versionStartIncluding": "8.0.0", "versionEndIncluding": "8.0.49"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:*", "versionStartIncluding": "8.4.0", "versionEndIncluding": "8.4.12"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:*", "versionStartIncluding": "9.7.0", "versionEndIncluding": "9.7.3"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:*", "versionStartIncluding": "26.7.0", "versionEndIncluding": "26.7.1"}]}]}], "descriptions": [{"lang": "en-US", "value": "Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Replication). Supported versions that are affected are MySQL Server: 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1; MySQL Cluster: 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3 and 26.7.0-26.7.1. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all MySQL Server, MySQL Cluster accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 7.4 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H)."}], "references": [{"url": "https://www.oracle.com/security-alerts/cpuoct2026.html", "name": "Oracle Advisory", "tags": ["vendor-advisory"]}], "metrics": [{"cvssV3_1": {"attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H", "baseScore": 7.4, "baseSeverity": "HIGH"}}]}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-284", "lang": "en", "description": "CWE-284 Improper Access Control"}]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-22T17:26:38.038650Z", "id": "CVE-2026-101775", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-22T17:30:50.908Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-101775", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-22T17:26:38.038650Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-284", "description": "CWE-284 Improper Access Control"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-22T17:26:39.169Z"}}], "cna": {"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.4, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}], "affected": [{"vendor": "Oracle Corporation", "product": "MySQL Server", "versions": [{"status": "affected", "version": "8.4.0-8.4.12"}, {"status": "affected", "version": "9.7.0-9.7.3"}, {"status": "affected", "version": "26.7.0-26.7.1"}]}, {"vendor": "Oracle Corporation", "product": "MySQL Cluster", "versions": [{"status": "affected", "version": "8.0.0-8.0.49"}, {"status": "affected", "version": "8.4.0-8.4.12"}, {"status": "affected", "version": "9.7.0-9.7.3"}, {"status": "affected", "version": "26.7.0-26.7.1"}]}], "references": [{"url": "https://www.oracle.com/security-alerts/cpuoct2026.html", "name": "Oracle Advisory", "tags": ["vendor-advisory"]}], "descriptions": [{"lang": "en-US", "value": "Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Replication). Supported versions that are affected are MySQL Server: 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1; MySQL Cluster: 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3 and 26.7.0-26.7.1. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all MySQL Server, MySQL Cluster accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 7.4 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H)."}], "problemTypes": [{"descriptions": [{"lang": "en-US", "description": "Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all MySQL Server, MySQL Cluster accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster."}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndIncluding": "8.4.12", "versionStartIncluding": "8.4.0"}, {"criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndIncluding": "9.7.3", "versionStartIncluding": "9.7.0"}, {"criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndIncluding": "26.7.1", "versionStartIncluding": "26.7.0"}, {"criteria": "cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndIncluding": "8.0.49", "versionStartIncluding": "8.0.0"}, {"criteria": "cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndIncluding": "8.4.12", "versionStartIncluding": "8.4.0"}, {"criteria": "cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndIncluding": "9.7.3", "versionStartIncluding": "9.7.0"}, {"criteria": "cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndIncluding": "26.7.1", "versionStartIncluding": "26.7.0"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "43595867-4340-4103-b7a2-9a5208d29a85", "shortName": "oracle", "dateUpdated": "2026-10-20T21:22:51.486Z"}}}, "cveMetadata": {"cveId": "CVE-2026-101775", "state": "PUBLISHED", "dateUpdated": "2026-10-22T17:30:50.908Z", "dateReserved": "2026-09-28T15:40:09.505Z", "assignerOrgId": "43595867-4340-4103-b7a2-9a5208d29a85", "datePublished": "2026-10-20T21:22:51.486Z", "assignerShortName": "oracle"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "MySQL Server", "vendor": "Oracle Corporation", "versions": [{"status": "affected", "version": "8.4.0-8.4.12"}, {"status": "affected", "version": "9.7.0-9.7.3"}, {"status": "affected", "version": "26.7.0-26.7.1"}]}, {"product": "MySQL Cluster", "vendor": "Oracle Corporation", "versions": [{"status": "affected", "version": "8.0.0-8.0.49"}, {"status": "affected", "version": "8.4.0-8.4.12"}, {"status": "affected", "version": "9.7.0-9.7.3"}, {"status": "affected", "version": "26.7.0-26.7.1"}]}], "source": "secalert_us@oracle.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:*", "matchCriteriaId": "87832998-710A-4514-A1CA-15632E2074C3", "versionEndIncluding": "8.0.49", "versionStartIncluding": "8.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:*", "matchCriteriaId": "9FBC2892-0E57-4B53-88C7-1A7C50D57371", "versionEndIncluding": "8.4.12", "versionStartIncluding": "8.4.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:*", "matchCriteriaId": "9807F197-A91C-482E-A94C-094ABF80032D", "versionEndIncluding": "9.7.3", "versionStartIncluding": "9.7.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:*", "matchCriteriaId": "478D2197-7EDF-4939-BD48-1FCE01A1115F", "versionEndIncluding": "26.7.1", "versionStartIncluding": "26.7.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "64685A97-6D60-4B5F-9CDF-9748BE388C7B", "versionEndIncluding": "8.4.12", "versionStartIncluding": "8.4.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "C5C2E977-6296-41D4-917A-3D717D8802EB", "versionEndIncluding": "9.7.3", "versionStartIncluding": "9.7.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "7A2D131B-48DC-4163-A3C5-A3696C5809B2", "versionEndIncluding": "26.7.1", "versionStartIncluding": "26.7.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Replication). Supported versions that are affected are MySQL Server: 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1; MySQL Cluster: 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3 and 26.7.0-26.7.1. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all MySQL Server, MySQL Cluster accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 7.4 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H)."}], "id": "CVE-2026-101775", "lastModified": "2026-10-30T15:08:20.247", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.4, "baseSeverity": "HIGH", "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:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.2, "source": "secalert_us@oracle.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-101775", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-22T17:26:38.038650Z", "version": "2.0.3"}}]}, "published": "2026-10-20T22:18:33.007", "references": [{"source": "secalert_us@oracle.com", "tags": ["Vendor Advisory"], "url": "https://www.oracle.com/security-alerts/cpuoct2026.html"}], "sourceIdentifier": "secalert_us@oracle.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "mysql: mysql: unauthorized data modification via replication component", "id": "2557179", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2557179"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.4", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H", "status": "draft"}, "cwe": "CWE-400", "details": ["Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Replication). Supported versions that are affected are MySQL Server: 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1; MySQL Cluster: 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3 and 26.7.0-26.7.1. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all MySQL Server, MySQL Cluster accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 7.4 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H).", "A flaw was found in the MySQL Server replication component. An unauthenticated remote attacker with network access could exploit this vulnerability to create, delete, or modify critical database data. A successful attack can also lead to a Denial of Service (DoS) by causing the server to hang or repeatedly crash."], "name": "CVE-2026-101775", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "mysql8.4", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "mysql", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "mysql", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "mariadb10.11", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "mariadb11.8", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-10-20T21:22:51Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-101775\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-101775\nhttps://www.oracle.com/security-alerts/cpuoct2026.html"], "statement": "Red Hat Product Security rates this vulnerability as Important because an unauthenticated network adversary can alter database records or disrupt service availability, despite the elevated attack complexity involved. In standard Red Hat Enterprise Linux deployments, MySQL is not accessible to public networks by default and requires explicit configuration for remote access or replication clustering. Consequently, systems running in isolated environments or configurations where network traffic to replication endpoints is restricted face lower practical exposure.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[8.0.0,8.0.49]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[8.4.0,8.4.12]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[9.7.0,9.7.3]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[26.7.0,26.7.1]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "MySQL Cluster", "source": "cna", "vendor": "Oracle Corporation"}, "product": "mysql_cluster", "vendor": "oracle"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[8.4.0,8.4.12]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[9.7.0,9.7.3]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[26.7.0,26.7.1]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "MySQL Server", "source": "cna", "vendor": "Oracle Corporation"}, "product": "mysql_server", "vendor": "oracle"}], "created": "2026-10-21T02:45:14.643414+00:00", "updated": "2026-10-23T06:45:07.449469+00:00", "vendors": ["oracle", "oracle$PRODUCT$mysql_cluster", "oracle$PRODUCT$mysql_server"]}