CVE-2026-97380 MariaDB: GRANT PROXY with empty password incorrectly checks grantor's privileges
A low-privileged attacker can exploit an authorization error in GRANT PROXY to set another account's password, leading to privilege escalation and account takeover.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-97380?
CVE-2026-97380 is a high-severity missing authorization vulnerability in Mariadb Mariadb, published on 16 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
MariaDB server is a community developed fork of MySQL server. From 10.6.1 until 10.6.28, 10.11.19, 11.4.13, 11.8.9, 12.3.3, and 13.0.2, the GRANT PROXY statement treats an IDENTIFIED clause with an empty password as though authentication were not specified, causing it to check the wrong grantor privileges. A low-privileged attacker who can name another account can exploit this authorization error to set that account's password. This issue is fixed in versions 10.6.28, 10.11.19, 11.4.13, 11.8.9, 12.3.3, and 13.0.2.
Which versions are affected by CVE-2026-97380?
3 open source packages ship an affected version, including mariadb, mariadb-min and mysql-client. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
mariadb Bitnami | From 10.6.1 | 10.6.28, 10.11.19, 11.4.13, 11.8.9, 12.3.3, 13.0.2 |
mariadb-min Bitnami | From 10.6.1 | 10.6.28, 10.11.19, 11.4.13, 11.8.9, 12.3.3, 13.0.2 |
mysql-client Bitnami | From 10.6.1 | 10.6.28, 10.11.19, 11.4.13, 11.8.9, 12.3.3, 13.0.2 |
Products include Mariadb Mariadb.
How do I fix CVE-2026-97380?
Upgrade mariadb to a fixed version for your release line: 10.6.28, 10.11.19, 11.4.13 or 11.8.9.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-97380 being exploited?
There is no known exploitation of CVE-2026-97380 in the wild and no public exploit code.
Other vulnerabilities in Mariadb Mariadb
- CVE-2026-49261 MariaDB server has unsafe parameter handling in `wsrep_notify_cmd`
- CVE-2026-85746 MariaDB: Out-of-bound buffer write on in `ST_AsText` of nested GeometryCollections
- CVE-2026-85748 MariaDB: Use-after-free with a large number of SYS_REFCURSOR's
- CVE-2026-92262 MariaDB: Numerous issues caused by historical #mysql50# tablename encoding bypass.
- CVE-2023-26785 Code injection in n/a
Sources
Also known as AZL-109791, BELL-CVE-2026-97380, BIT-mariadb-2026-97380, BIT-mariadb-min-2026-97380, BIT-mysql-client-2026-97380, DEBIAN-CVE-2026-97380 and 5 more.