Vulnerability-Lookup

BDU:2026-14967 (CVE-2026-49261)

Vulnerability from fstec – Published: 2026-09-21 – Updated: 2026-09-21 – View on bdu.fstec.ru Fixed

Title

Уязвимость функции wsrep_notify_cmd() системы управления базами данных MariaDB, позволяющая нарушителю выполнить произвольные команды

Summary

Уязвимость функции wsrep_notify_cmd() системы управления базами данных MariaDB связана с непринятием мер по нейтрализации специальных элементов. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, выполнить произвольные команды

Severity

10.0 (High) CVSS 2.0


                      
                        AV:N/AC:L/Au:N/C:C/I:C/A:C

10.0 (Critical) CVSS 3.1


                      
                        CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Class

Code vulnerability

Status

Confirmed by the vendor

Exploitation

Injection

Incidents

Being clarified

Remediation

Software update

CWE

CWE-78 - Непринятие мер по нейтрализации специальных элементов, используемых в команде операционной системы (Внедрение в команду операционной системы)

Aliases

CVE-2026-49261, GHSA-3P3M-4X7C-P4PW

References

21 references

URL
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://github.com/MariaDB/server/security/advisories/GHSA-3p3m-4x7c-p4pw
https://jira.mariadb.org/browse/MDEV-39721
https://nvd.nist.gov/vuln/detail/CVE-2026-49261
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-49261.json
http://repo.red-soft.ru/redos/8.0/x86_64/updates/
http://repo.red-soft.ru/redos/7.3c/x86_64/updates/
https://security-tracker.debian.org/tracker/CVE-2026-49261
https://deb.freexian.com/extended-lts/tracker/CVE-2026-49261
https://ubuntu.com/security/CVE-2026-49261

Impacted products

6 products from 6 vendors

Vendors

Red Hat, Inc., Сообщество свободного программного обеспечения, ООО «Ред Софт», Canonical Ltd., MariaDB Foundation

Products

Red Hat Enterprise Linux, Debian GNU/Linux, РЕД ОС (запись в едином реестре российских программ №3751), Red Hat Hardened Images, Ubuntu, MariaDB

Versions

8 (Red Hat Enterprise Linux), 12 (Debian GNU/Linux), 7.3 (РЕД ОС), 9 (Red Hat Enterprise Linux), 10 (Red Hat Enterprise Linux), 13 (Debian GNU/Linux), 9.6 Extended Update Support (Red Hat Enterprise Linux), 8.0 (РЕД ОС), 10.0 Extended Update Support (Red Hat Enterprise Linux), - (Red Hat Hardened Images), 26.04 LTS (Ubuntu), 9.4 Update Services for SAP Solutions (Red Hat Enterprise Linux), от 10.6.1 до 10.6.27 (MariaDB), от 10.11.1 до 10.11.18 (MariaDB), от 11.4.1 до 11.4.12 (MariaDB), от 11.8.1 до 11.8.8 (MariaDB), 12.3.1 (MariaDB)

Product types

Operating system, Application software, Database management system

Platforms

Red Hat, Inc. Red Hat Enterprise Linux 8, Сообщество свободного программного обеспечения Debian GNU/Linux 12, ООО «Ред Софт» РЕД ОС 7.3 (запись в едином реестре российских программ №3751), Inc. Red Hat Enterprise Linux 9, Inc. Red Hat Enterprise Linux 10, Сообщество свободного программного обеспечения Debian GNU/Linux 13, Inc. Red Hat Enterprise Linux 9.6 Extended Update Support, ООО «Ред Софт» РЕД ОС 8.0 (запись в едином реестре российских программ №3751), Inc. Red Hat Enterprise Linux 10.0 Extended Update Support, Canonical Ltd. Ubuntu 26.04 LTS, Inc. Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Mitigations

В условиях отсутствия обновлений безопасности от производителя рекомендуется придерживаться "Рекомендаций по безопасной настройке операционных систем LINUX", изложенных в методическом документе ФСТЭК России, утверждённом 25 декабря 2022 года. Использование рекомендаций: Для MariaDB: https://github.com/MariaDB/server/security/advisories/GHSA-3p3m-4x7c-p4pw https://jira.mariadb.org/browse/MDEV-39721 Для Ред ОС: http://repo.red-soft.ru/redos/8.0/x86_64/updates/ http://repo.red-soft.ru/redos/7.3c/x86_64/updates/ Для Debian GNU/Linux: https://security-tracker.debian.org/tracker/CVE-2026-49261 https://deb.freexian.com/extended-lts/tracker/CVE-2026-49261 Для программных продуктов Red Hat Inc.: https://access.redhat.com/security/cve/CVE-2026-49261 Для Ubuntu: https://ubuntu.com/security/CVE-2026-49261

JSON

To clipboard

{
  "CVSS 2.0": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
  "CVSS 3.0": "AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
  "CVSS 4.0": null,
  "remediation_\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": null,
  "remediation_\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435": null,
  "\u0412\u0435\u043d\u0434\u043e\u0440 \u041f\u041e": "Red Hat, Inc., \u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f, \u041e\u041e\u041e \u00ab\u0420\u0435\u0434 \u0421\u043e\u0444\u0442\u00bb, Canonical Ltd., MariaDB Foundation",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "8 (Red Hat Enterprise Linux), 12 (Debian GNU/Linux), 7.3 (\u0420\u0415\u0414 \u041e\u0421), 9 (Red Hat Enterprise Linux), 10 (Red Hat Enterprise Linux), 13 (Debian GNU/Linux), 9.6 Extended Update Support (Red Hat Enterprise Linux), 8.0 (\u0420\u0415\u0414 \u041e\u0421), 10.0 Extended Update Support (Red Hat Enterprise Linux), - (Red Hat Hardened Images), 26.04 LTS (Ubuntu), 9.4 Update Services for SAP Solutions (Red Hat Enterprise Linux), \u043e\u0442 10.6.1 \u0434\u043e 10.6.27 (MariaDB), \u043e\u0442 10.11.1 \u0434\u043e 10.11.18 (MariaDB), \u043e\u0442 11.4.1 \u0434\u043e 11.4.12 (MariaDB), \u043e\u0442 11.8.1 \u0434\u043e 11.8.8 (MariaDB), 12.3.1 (MariaDB)",
  "\u0412\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 \u043c\u0435\u0440\u044b \u043f\u043e \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044e": "\u0412 \u0443\u0441\u043b\u043e\u0432\u0438\u044f\u0445 \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u044f \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0439 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u043e\u0442 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0443\u0435\u0442\u0441\u044f \u043f\u0440\u0438\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0442\u044c\u0441\u044f \"\u0420\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439 \u043f\u043e \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0439 \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0435 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c LINUX\", \u0438\u0437\u043b\u043e\u0436\u0435\u043d\u043d\u044b\u0445 \u0432 \u043c\u0435\u0442\u043e\u0434\u0438\u0447\u0435\u0441\u043a\u043e\u043c \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0435 \u0424\u0421\u0422\u042d\u041a \u0420\u043e\u0441\u0441\u0438\u0438, \u0443\u0442\u0432\u0435\u0440\u0436\u0434\u0451\u043d\u043d\u043e\u043c 25 \u0434\u0435\u043a\u0430\u0431\u0440\u044f 2022 \u0433\u043e\u0434\u0430.\n\n\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439:\n\u0414\u043b\u044f MariaDB:\nhttps://github.com/MariaDB/server/security/advisories/GHSA-3p3m-4x7c-p4pw\nhttps://jira.mariadb.org/browse/MDEV-39721\n\n\u0414\u043b\u044f \u0420\u0435\u0434 \u041e\u0421: \nhttp://repo.red-soft.ru/redos/8.0/x86_64/updates/\nhttp://repo.red-soft.ru/redos/7.3c/x86_64/updates/\n\n\u0414\u043b\u044f Debian GNU/Linux:\nhttps://security-tracker.debian.org/tracker/CVE-2026-49261\nhttps://deb.freexian.com/extended-lts/tracker/CVE-2026-49261\n\n\u0414\u043b\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u044b\u0445 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432 Red Hat Inc.:\nhttps://access.redhat.com/security/cve/CVE-2026-49261\n\n\u0414\u043b\u044f Ubuntu:\nhttps://ubuntu.com/security/CVE-2026-49261",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "22.05.2026",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "21.09.2026",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "21.09.2026",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2026-14967",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u044b \u0434\u0440\u0443\u0433\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "CVE-2026-49261, GHSA-3p3m-4x7c-p4pw",
  "\u0418\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430",
  "\u041a\u043b\u0430\u0441\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043a\u043e\u0434\u0430",
  "\u041d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 \u041f\u041e": "Red Hat Enterprise Linux, Debian GNU/Linux, \u0420\u0415\u0414 \u041e\u0421 (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21163751), Red Hat Hardened Images, Ubuntu, MariaDB",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u041e\u0421 \u0438 \u0442\u0438\u043f \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b": "Red Hat, Inc. Red Hat Enterprise Linux 8 , \u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f Debian GNU/Linux 12 , \u041e\u041e\u041e \u00ab\u0420\u0435\u0434 \u0421\u043e\u0444\u0442\u00bb \u0420\u0415\u0414 \u041e\u0421 7.3  (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21163751), Red Hat, Inc. Red Hat Enterprise Linux 9 , Red Hat, Inc. Red Hat Enterprise Linux 10 , \u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f Debian GNU/Linux 13 , Red Hat, Inc. Red Hat Enterprise Linux 9.6 Extended Update Support , \u041e\u041e\u041e \u00ab\u0420\u0435\u0434 \u0421\u043e\u0444\u0442\u00bb \u0420\u0415\u0414 \u041e\u0421 8.0  (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21163751), Red Hat, Inc. Red Hat Enterprise Linux 10.0 Extended Update Support , Canonical Ltd. Ubuntu 26.04 LTS , Red Hat, Inc. Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions ",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0444\u0443\u043d\u043a\u0446\u0438\u0438 wsrep_notify_cmd() \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0431\u0430\u0437\u0430\u043c\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 MariaDB, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0435 \u043a\u043e\u043c\u0430\u043d\u0434\u044b",
  "\u041d\u0430\u043b\u0438\u0447\u0438\u0435 \u044d\u043a\u0441\u043f\u043b\u043e\u0439\u0442\u0430": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "\u041d\u0435\u043f\u0440\u0438\u043d\u044f\u0442\u0438\u0435 \u043c\u0435\u0440 \u043f\u043e \u043d\u0435\u0439\u0442\u0440\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0445 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u044b\u0445 \u0432 \u043a\u043e\u043c\u0430\u043d\u0434\u0435 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b (\u0412\u043d\u0435\u0434\u0440\u0435\u043d\u0438\u0435 \u0432 \u043a\u043e\u043c\u0430\u043d\u0434\u0443 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b) (CWE-78)",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0444\u0443\u043d\u043a\u0446\u0438\u0438 wsrep_notify_cmd() \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0431\u0430\u0437\u0430\u043c\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 MariaDB \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u043d\u0435\u043f\u0440\u0438\u043d\u044f\u0442\u0438\u0435\u043c \u043c\u0435\u0440 \u043f\u043e \u043d\u0435\u0439\u0442\u0440\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0445 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442\u044c \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u043c\u0443 \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u043e, \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0435 \u043a\u043e\u043c\u0430\u043d\u0434\u044b",
  "\u041f\u043e\u0441\u043b\u0435\u0434\u0441\u0442\u0432\u0438\u044f \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": null,
  "\u041f\u0440\u043e\u0447\u0430\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f": null,
  "\u0421\u0432\u044f\u0437\u044c \u0441 \u0438\u043d\u0446\u0438\u0434\u0435\u043d\u0442\u0430\u043c\u0438 \u0418\u0411": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u0421\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f": "\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438": "\u0418\u043d\u044a\u0435\u043a\u0446\u0438\u044f",
  "\u0421\u0441\u044b\u043b\u043a\u0438 \u043d\u0430 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438": "https://access.redhat.com/errata/RHSA-2026:25143\nhttps://access.redhat.com/errata/RHSA-2026:25145\nhttps://access.redhat.com/errata/RHSA-2026:33093\nhttps://access.redhat.com/errata/RHSA-2026:33412\nhttps://access.redhat.com/errata/RHSA-2026:33464\nhttps://access.redhat.com/errata/RHSA-2026:33481\nhttps://access.redhat.com/errata/RHSA-2026:33482\nhttps://access.redhat.com/errata/RHSA-2026:49522\nhttps://access.redhat.com/errata/RHSA-2026:52848\nhttps://access.redhat.com/errata/RHSA-2026:54142\nhttps://access.redhat.com/security/cve/CVE-2026-49261\nhttps://bugzilla.redhat.com/show_bug.cgi?id=2487957\nhttps://github.com/MariaDB/server/security/advisories/GHSA-3p3m-4x7c-p4pw\nhttps://jira.mariadb.org/browse/MDEV-39721\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-49261\nhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-49261.json\nhttp://repo.red-soft.ru/redos/8.0/x86_64/updates/\nhttp://repo.red-soft.ru/redos/7.3c/x86_64/updates/\nhttps://security-tracker.debian.org/tracker/CVE-2026-49261\nhttps://deb.freexian.com/extended-lts/tracker/CVE-2026-49261\nhttps://ubuntu.com/security/CVE-2026-49261",
  "\u0421\u0442\u0430\u0442\u0443\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u043c",
  "\u0422\u0438\u043f \u041f\u041e": "\u041e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430, \u041f\u0440\u0438\u043a\u043b\u0430\u0434\u043d\u043e\u0435 \u041f\u041e \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c, \u0421\u0423\u0411\u0414",
  "\u0422\u0438\u043f \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "CWE-78",
  "\u0423\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 2.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 10)\n\u041a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 3.1 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 10)"
}

CVE-2026-49261 (GCVE-0-2026-49261)

Vulnerability from cvelistv5 – Published: 2026-06-11 17:13 – Updated: 2026-08-12 12:04

Title

MariaDB server has unsafe parameter handling in `wsrep_notify_cmd`

Summary

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`.

Severity

10 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

9 (Critical)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-11 00:00 UTC

CWE

CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Assigner

GitHub_M mitre root

References

15 references

URL	Tags
https://github.com/MariaDB/server/security/adviso…	x_refsource_CONFIRM
https://jira.mariadb.org/browse/MDEV-39721	x_refsource_MISC
https://access.redhat.com/security/cve/CVE-2026-49261	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2487957	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:49522	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:33093	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:33412	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:33464	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:52848	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:54142	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:33482	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:33481	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:25145	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:25143	vendor-advisoryx_refsource_REDHAT

Impacted products

12 products

Vendor	Product	Version
MariaDB	server	Affected: >= 10.6.1, < 10.6.27 Affected: >= 10.11.1, < 10.11.18 Affected: >= 11.4.1, < 11.4.12 Affected: >= 11.8.1, < 11.8.8 Affected: = 12.3.1
Red Hat	Red Hat Enterprise Linux 10	Unaffected: 3:10.11.18-1.el10_2 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux 10	Unaffected: 3:11.8.8-1.el10_2 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux 10.0 Extended Update Support	Unaffected: 3:10.11.18-1.el10_0 , < * (rpm) cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 8100020260616102001.489197e6 , < * (rpm) cpe:/a:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 9080020260612104015.rhel9 , < * (rpm) cpe:/a:redhat:enterprise_linux:9
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 9080020260612103452.rhel9 , < * (rpm) cpe:/a:redhat:enterprise_linux:9
Red Hat	Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions	Unaffected: 9040020260804103423.rhel9 , < * (rpm) cpe:/a:redhat:rhel_e4s:9.4
Red Hat	Red Hat Hardened Images	Unaffected: 11.8.8-1.hum1 , < * (rpm) cpe:/a:redhat:hummingbird:1
Red Hat	Red Hat Hardened Images	Unaffected: 10.11.18-1.hum1 , < * (rpm) cpe:/a:redhat:hummingbird:1
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
Red Hat	Red Hat Enterprise Linux 9	cpe:/o:redhat:enterprise_linux:9

Show details on NVD website

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-49261",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-11T00:00:00+00:00",
                "version": "2.0.3"
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        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-12T03:55:39.734Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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            "defaultStatus": "affected",
            "packageName": "mariadb:11.8",
            "product": "Red Hat Enterprise Linux 9",
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            "defaultStatus": "affected",
            "packageName": "mariadb:10.11",
            "product": "Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions",
            "vendor": "Red Hat",
            "versions": [
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                "lessThan": "*",
                "status": "unaffected",
                "version": "9040020260804103423.rhel9",
                "versionType": "rpm"
              }
            ]
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/a:redhat:hummingbird:1"
            ],
            "defaultStatus": "affected",
            "packageName": "mariadb11-8-main",
            "product": "Red Hat Hardened Images",
            "vendor": "Red Hat",
            "versions": [
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            "packageName": "mariadb10-11-main",
            "product": "Red Hat Hardened Images",
            "vendor": "Red Hat",
            "versions": [
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                "versionType": "rpm"
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            "cpes": [
              "cpe:/o:redhat:enterprise_linux:7"
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            "defaultStatus": "unaffected",
            "packageName": "mariadb",
            "product": "Red Hat Enterprise Linux 7",
            "vendor": "Red Hat"
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            "cpes": [
              "cpe:/o:redhat:enterprise_linux:9"
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            "defaultStatus": "unaffected",
            "packageName": "mariadb",
            "product": "Red Hat Enterprise Linux 9",
            "vendor": "Red Hat"
          }
        ],
        "datePublic": "2026-06-11T17:13:20.776Z",
        "descriptions": [
          {
            "lang": "en",
            "value": "A flaw was found in MariaDB server. When the `wsrep_notify_cmd` feature is enabled, a remote attacker could exploit this vulnerability by embedding shell commands in the name of a joiner node. This could lead to arbitrary code execution on the server, allowing the attacker to take full control of the affected system."
          }
        ],
        "metrics": [
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            "other": {
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                "value": "Important"
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              "type": "Red Hat severity rating"
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            "cvssV3_1": {
              "attackComplexity": "HIGH",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 9,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "CHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
              "version": "3.1"
            },
            "format": "CVSS"
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        "problemTypes": [
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            "descriptions": [
              {
                "cweId": "CWE-78",
                "description": "Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)",
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                "type": "CWE"
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            ]
          }
        ],
        "providerMetadata": {
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          "orgId": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
          "shortName": "redhat-SADP"
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        "references": [
          {
            "tags": [
              "vdb-entry",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/security/cve/CVE-2026-49261"
          },
          {
            "name": "RHBZ#2487957",
            "tags": [
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          {
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            "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-49261.json"
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            "tags": [
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            "tags": [
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            "url": "https://access.redhat.com/errata/RHSA-2026:33412"
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            "url": "https://access.redhat.com/errata/RHSA-2026:33482"
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            "url": "https://access.redhat.com/errata/RHSA-2026:25145"
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            "value": "RHSA-2026:49522: Red Hat Enterprise Linux AppStream EUS (v. 10.0)"
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          {
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            "lang": "en",
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            "lang": "en",
            "time": "2026-06-11T17:13:20.776Z",
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        ],
        "title": "mariadb: MariaDB Server: Arbitrary code execution via wsrep_notify_cmd",
        "x_adpType": "supplier",
        "x_generator": {
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      }
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    "cna": {
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        {
          "product": "server",
          "vendor": "MariaDB",
          "versions": [
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            {
              "status": "affected",
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              "status": "affected",
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        }
      ],
      "descriptions": [
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          "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`."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 10,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
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              "cweId": "CWE-78",
              "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)",
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      ],
      "providerMetadata": {
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        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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          "tags": [
            "x_refsource_MISC"
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        }
      ],
      "source": {
        "advisory": "GHSA-3p3m-4x7c-p4pw",
        "discovery": "UNKNOWN"
      },
      "title": "MariaDB server has unsafe parameter handling in `wsrep_notify_cmd`"
    }
  },
  "cveMetadata": {
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    "cveId": "CVE-2026-49261",
    "datePublished": "2026-06-11T17:13:20.776Z",
    "dateReserved": "2026-05-28T14:33:01.179Z",
    "dateUpdated": "2026-08-12T12:04:47.070Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

BDU:2026-14967 (CVE-2026-49261)

CVE-2026-49261 (GCVE-0-2026-49261)

Tags

Sightings

Nomenclature

Related by attack behaviour