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CVE-2026-49261

Mariadb command injection

10.0 CRITICALEPSS 1.69%
  1. Published11 Jun 2026

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`.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

Mariadb≥ 10.11.1 < 10.11.18 · ≥ 10.6.1 < 10.6.27 · ≥ 11.4.1 < 11.4.12 · ≥ 11.8.1 < 11.8.8

Remediation

Fixed in
Mariadb≥ 10.11.18

References

and 5 more references

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Frequently asked

Is CVE-2026-49261 being actively exploited?

CVE-2026-49261 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.69%.

How severe is CVE-2026-49261?

CVE-2026-49261 has a CVSS 3.1 base score of 10.0, rated critical. EPSS estimates a 1.69% probability of exploitation.

Which products are affected by CVE-2026-49261?

Affected products include Mariadb.

How do I fix CVE-2026-49261?

Upgrade affected software to a fixed version, for example Mariadb 10.11.18 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-49261 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.