Is CVE-2026-107823 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-107823 being exploited in the wild.

How severe is CVE-2026-107823?

High severity, with a CVSS score of 7.2, published 9 October 2026.

Which products and versions are affected?

MariaDB Server 10.6.1 to 10.6.27, 10.11.0 to 10.11.18, 11.4.0 to 11.4.12, 11.8.0 to 11.8.8, 12.3.0 to 12.3.2, 13.0.0 to 13.0.1.

Is there a fix for CVE-2026-107823?

Yes: fixed in MariaDB Server 10.6.28, 10.11.19, 11.4.13, 11.8.9, 12.3.3, 13.0.2. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-107823 attacked?

It is attacked over the network.

Am I affected by CVE-2026-107823?

Check whether you run Mariadb or MariaDB Server at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-107823: MariaDB server privilege escalation in view FRM parser

CVE-2026-107823 · Severity: high · CVSS 7.2 · Published 2026-10-09

MariaDB is a widely-used open-source database server. A flaw in how MariaDB parses view metadata files allows an attacker with CREATE USER and CREATE VIEW privileges to inject crafted usernames containing newline characters, which can cause the database to misinterpret security metadata and grant unauthorized administrative privileges. An attacker exploiting this could gain full database control without additional detection.

Technologies: Mariadb, MariaDB Server. Vendors: Mariadb.

Quick answers

Is CVE-2026-107823 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-107823 being exploited in the wild.
How severe is CVE-2026-107823?: High severity, with a CVSS score of 7.2, published 9 October 2026.
Which products and versions are affected?: MariaDB Server 10.6.1 to 10.6.27, 10.11.0 to 10.11.18, 11.4.0 to 11.4.12, 11.8.0 to 11.8.8, 12.3.0 to 12.3.2, 13.0.0 to 13.0.1.
Is there a fix for CVE-2026-107823?: Yes: fixed in MariaDB Server 10.6.28, 10.11.19, 11.4.13, 11.8.9, 12.3.3, 13.0.2. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-107823 attacked?: It is attacked over the network.
Am I affected by CVE-2026-107823?: Check whether you run Mariadb or MariaDB Server at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

Fixed in: MariaDB Server 10.6.28, 10.11.19, 11.4.13, 11.8.9, 12.3.3, 13.0.2

Technical details

The vulnerability exists in MariaDB's view FRM (database file format) parser, which fails to properly escape newline characters embedded in usernames. An authenticated attacker with CREATE USER and CREATE VIEW WITH GRANT OPTION permissions can craft a malicious username containing newline characters and security metadata, causing the parser to misinterpret the view definition and treat embedded metadata as legitimate security controls. This leads to privilege escalation from a limited account to administrative access.

Affected products

MariaDB MariaDB Server 10.6.1 to 10.6.27, 10.11.0 to 10.11.18, 11.4.0 to 11.4.12, 11.8.0 to 11.8.8, 12.3.0 to 12.3.2, 13.0.0 to 13.0.1

Timeline

2026-10-09: disclosed

References

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