MariaDB Server up to 12.3.1 os command injection

CVSS Meta Temp Score
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CTI Interest Score
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8.9$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in MariaDB Server up to 10.6.26/10.11.17/11.4.11/11.8.7/12.3.1. Affected by this issue is some unknown functionality. Such manipulation leads to os command injection. This vulnerability is listed as CVE-2026-49261. The attack may be performed from remote. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in MariaDB Server up to 10.6.26/10.11.17/11.4.11/11.8.7/12.3.1. It has been rated as critical. Affected by this issue is an unknown functionality. The manipulation with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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`.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-49261 since 05/28/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1202.

The vulnerability scanner Nessus provides a plugin with the ID 321069 (SUSE SLES15 Security Update : mariadb (SUSE-SU-2026:2330-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 10.6.27, 10.11.18, 11.4.12 or 11.8.8 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (321069) and CERT Bund (WID-SEC-2026-1744). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • SUSE Linux
  • SUSE openSUSE
  • MariaDB MariaDB

Productinfo

Type

Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.0
VulDB Meta Temp Score: 8.9

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒

CNA Base Score: 10.0
CNA Vector (GitHub_M): 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 321069
Nessus Name: SUSE SLES15 Security Update : mariadb (SUSE-SU-2026:2330-1)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Server 10.6.27/10.11.18/11.4.12/11.8.8

Timelineinfo

05/28/2026 CVE reserved
06/11/2026 +14 days Advisory disclosed
06/11/2026 +0 days VulDB entry created
07/02/2026 +21 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-3p3m-4x7c-p4pw
Status: Confirmed

CVE: CVE-2026-49261 (🔒)
GCVE (CVE): GCVE-0-2026-49261
GCVE (VulDB): GCVE-100-370448
CERT Bund: WID-SEC-2026-1744 - MariaDB: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff

Entryinfo

Created: 06/11/2026 22:40
Updated: 07/02/2026 19:43
Changes: 06/11/2026 22:40 (64), 06/14/2026 02:38 (7), 06/14/2026 22:43 (2), 06/15/2026 13:25 (1), 07/02/2026 19:43 (11)
Complete: 🔍
Cache ID: 216::103

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