{"id":"CVE-2026-49261","state":"PUBLISHED","title":"MariaDB server has unsafe parameter handling in `wsrep_notify_cmd`","description":"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`.","publishedAt":"2026-06-11T17:13:20.776Z","updatedAt":"2026-08-12T12:04:47.070Z","severity":{"score":10,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["MariaDB server"],"affected":[{"vendor":"MariaDB","product":"server","versions":[{"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","status":"affected"}]}],"references":["https://github.com/MariaDB/server/security/advisories/GHSA-3p3m-4x7c-p4pw","https://jira.mariadb.org/browse/MDEV-39721","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","https://access.redhat.com/errata/RHSA-2026:49522","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-2026:52848","https://access.redhat.com/errata/RHSA-2026:54142","https://access.redhat.com/errata/RHSA-2026:33482","https://access.redhat.com/errata/RHSA-2026:33481","https://access.redhat.com/errata/RHSA-2026:25145","https://access.redhat.com/errata/RHSA-2026:25143"],"weaknesses":["CWE-78"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/49xxx/CVE-2026-49261.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-49261","state":"PUBLISHED","datePublished":"2026-06-11T17:13:20.776Z","dateUpdated":"2026-08-12T12:04:47.070Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-28T14:33:01.179Z"},"containers":{"cna":{"title":"MariaDB server has unsafe parameter handling in `wsrep_notify_cmd`","descriptions":[{"lang":"en","value":"MariaDB server is a community developed fork of MySQL server. 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