CVE-2026-49261

MariaDB server is a community developed fork of MySQL server. Versions 10.6.1 through 10.6.26, 10.11.1 through 10.11.17, 11.4.1 through 11.4.11, 11.8.1 through 11.8.7, and 12.3.1 with `wsrep_notify_cmd` enabled would execute shell commands embedded in the name of the joiner node. This is fixed in 10.6.27, 10.11.18, 11.4.12, 11.8.8, and 12.3.2. As a workaround, anyone who cannot upgrade now should disable `wsrep_notify_cmd`.

CVSS v3 10.0 CRITICAL

10.0^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://github.com/MariaDB/server/security/advisories/GHSA-3p3m-4x7c-p4pw	Vendor Advisory
https://jira.mariadb.org/browse/MDEV-39721	Issue Tracking
https://access.redhat.com/errata/RHSA-2026:25143
https://access.redhat.com/errata/RHSA-2026:25145
https://access.redhat.com/errata/RHSA-2026:33093
https://access.redhat.com/errata/RHSA-2026:33412
https://access.redhat.com/errata/RHSA-2026:33464
https://access.redhat.com/errata/RHSA-2026:33481
https://access.redhat.com/errata/RHSA-2026:33482
https://access.redhat.com/errata/RHSA-2026:49522
https://access.redhat.com/errata/RHSA-2026:52848
https://access.redhat.com/errata/RHSA-2026:54142
https://access.redhat.com/security/cve/CVE-2026-49261
https://bugzilla.redhat.com/show_bug.cgi?id=2487957
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-49261.json

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mariadb:mariadb::::::::
	cpe:2.3:a:mariadb:mariadb::::::::
	cpe:2.3:a:mariadb:mariadb::::::::
	cpe:2.3:a:mariadb:mariadb::::::::
	cpe:2.3:a:mariadb:mariadb:12.3.1:::::::*

History

No history.

Information

Published : 2026-06-11 18:16

Updated : 2026-08-12 12:19

NVD link : CVE-2026-49261

Mitre link : CVE-2026-49261

CVE.ORG link : CVE-2026-49261

JSON object : View

Products Affected

mariadb

mariadb

CWE

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

{"id": "CVE-2026-49261", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-49261", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-06-11T00:00:00+00:00"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 10.0, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 3.9}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.0, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 2.2}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "MariaDB", "product": "server", "versions": [{"status": "affected", "version": ">= 10.6.1, < 10.6.27"}, {"status": "affected", "version": ">= 10.11.1, < 10.11.18"}, {"status": "affected", "version": ">= 11.4.1, < 11.4.12"}, {"status": "affected", "version": ">= 11.8.1, < 11.8.8"}, {"status": "affected", "version": "= 12.3.1"}]}]}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "affectedData": [{"cpes": ["cpe:/o:redhat:enterprise_linux:10.2"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "versions": [{"status": "unaffected", "version": "3:10.11.18-1.el10_2", "lessThan": "*", "versionType": "rpm"}], "packageName": "mariadb10.11", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:10.2"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "versions": [{"status": "unaffected", "version": "3:11.8.8-1.el10_2", "lessThan": "*", "versionType": "rpm"}], "packageName": "mariadb11.8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux_eus:10.0"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10.0 Extended Update Support", "versions": [{"status": "unaffected", "version": "3:10.11.18-1.el10_0", "lessThan": "*", "versionType": "rpm"}], "packageName": "mariadb10.11", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:enterprise_linux:8"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "versions": [{"status": "unaffected", "version": "8100020260616102001.489197e6", "lessThan": "*", "versionType": "rpm"}], "packageName": "mariadb:10.11", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:enterprise_linux:9"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "versions": [{"status": "unaffected", "version": "9080020260612104015.rhel9", "lessThan": "*", "versionType": "rpm"}], "packageName": "mariadb:11.8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:enterprise_linux:9"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "versions": [{"status": "unaffected", "version": "9080020260612103452.rhel9", "lessThan": "*", "versionType": "rpm"}], "packageName": "mariadb:10.11", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_e4s:9.4"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions", "versions": [{"status": "unaffected", "version": "9040020260804103423.rhel9", "lessThan": "*", "versionType": "rpm"}], "packageName": "mariadb:10.11", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:hummingbird:1"], "vendor": "Red Hat", "product": "Red Hat Hardened Images", "versions": [{"status": "unaffected", "version": "11.8.8-1.hum1", "lessThan": "*", "versionType": "rpm"}], "packageName": "mariadb11-8-main", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:hummingbird:1"], "vendor": "Red Hat", "product": "Red Hat Hardened Images", "versions": [{"status": "unaffected", "version": "10.11.18-1.hum1", "lessThan": "*", "versionType": "rpm"}], "packageName": "mariadb10-11-main", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:7"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7", "packageName": "mariadb", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:9"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "packageName": "mariadb", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}]}], "published": "2026-06-11T18:16:26.553", "references": [{"url": "https://github.com/MariaDB/server/security/advisories/GHSA-3p3m-4x7c-p4pw", "tags": ["Vendor Advisory"], "source": "security-advisories@github.com"}, {"url": "https://jira.mariadb.org/browse/MDEV-39721", "tags": ["Issue Tracking"], "source": "security-advisories@github.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:25143", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:25145", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:33093", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:33412", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:33464", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:33481", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:33482", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:49522", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:52848", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:54142", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/security/cve/CVE-2026-49261", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2487957", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-49261.json", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-78"}]}, {"type": "Secondary", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "description": [{"lang": "en", "value": "CWE-78"}]}], "descriptions": [{"lang": "en", "value": "MariaDB server is a community developed fork of MySQL server. Versions 10.6.1 through 10.6.26, 10.11.1 through 10.11.17, 11.4.1 through 11.4.11, 11.8.1 through 11.8.7, and 12.3.1 with `wsrep_notify_cmd` enabled would execute shell commands embedded in the name of the joiner node. This is fixed in 10.6.27, 10.11.18, 11.4.12, 11.8.8, and 12.3.2. As a workaround, anyone who cannot upgrade now should disable `wsrep_notify_cmd`."}], "lastModified": "2026-08-12T12:19:36.660", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6026522E-017A-443D-A9FD-1B2EF7EAA831", "versionEndExcluding": "10.6.27", "versionStartIncluding": "10.6.1"}, {"criteria": "cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "62E23067-363A-462C-90C0-5A794F39CCB8", "versionEndExcluding": "10.11.18", "versionStartIncluding": "10.11.1"}, {"criteria": "cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DA375E93-AD33-44B6-94A4-534B19D25E2E", "versionEndExcluding": "11.4.12", "versionStartIncluding": "11.4.1"}, {"criteria": "cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "70A1D901-D520-41DC-B74B-11C5E27D3CF7", "versionEndExcluding": "11.8.8", "versionStartIncluding": "11.8.1"}, {"criteria": "cpe:2.3:a:mariadb:mariadb:12.3.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "57DFA226-8D97-4A19-8A62-426042F5416D"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}