# MariaDB Connector/J vulnerabilities

Source: https://junglewise.ai/threats/technologies/mariadb-connector-j  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/mariadb-connector-j.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 7 vulnerabilities in MariaDB Connector/J: 0 in the last 7 days and 7 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-119281, was published on 29 October 2026. 6 vulnerabilities in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 6
- Last 90 days: 7
- All time: 7 (0 critical, 0 exploited in the wild)

## About MariaDB Connector/J

Java library for connecting to MariaDB databases.

## Latest MariaDB Connector/J vulnerabilities

- [CVE-2026-119281: MariaDB Connector/J character set validation bypass](https://junglewise.ai/threats/cve-2026-119281-mariadb-connector-j-is-used-to-connect-applications-developed-in) (medium, CVSS 5.9, published 29 Oct 2026)
- [CVE-2026-119279: MariaDB Connector/J integer overflow in length encoding](https://junglewise.ai/threats/cve-2026-119279-mariadb-connector-j-is-used-to-connect-applications-developed-in) (medium, CVSS 5.9, published 29 Oct 2026)
- [CVE-2026-119278: MariaDB Connector/J array index out of bounds in caching_sha2_password](https://junglewise.ai/threats/cve-2026-119278-mariadb-connector-j-is-used-to-connect-applications-developed-in) (medium, CVSS 5.9, published 29 Oct 2026)
- [CVE-2026-119277: MariaDB Connector/J buffer overflow in packet decoding](https://junglewise.ai/threats/cve-2026-119277-mariadb-connector-j-is-used-to-connect-applications-developed-in) (medium, CVSS 5.9, published 29 Oct 2026)
- [CVE-2026-119276: MariaDB Connector/J heap allocation denial of service](https://junglewise.ai/threats/cve-2026-119276-mariadb-connector-j-is-used-to-connect-applications-developed-in) (medium, CVSS 5.9, published 29 Oct 2026)
- [CVE-2026-119210: MariaDB Connector/J LOAD DATA LOCAL INFILE bypass in metadata queries](https://junglewise.ai/threats/cve-2026-119210-mariadb-connector-j-is-used-to-connect-applications-developed-in) (medium, CVSS 5.9, published 29 Oct 2026)
- [CVE-2026-55857: MariaDB Connector/J cleartext password transmission in PAM authentication](https://junglewise.ai/threats/cve-2026-55857-mariadb-connector-j-cleartext-password-transmission-in-pam) (medium, CVSS 5.9, published 28 Aug 2026)

## Most severe MariaDB Connector/J vulnerabilities

- [CVE-2026-119279: MariaDB Connector/J integer overflow in length encoding](https://junglewise.ai/threats/cve-2026-119279-mariadb-connector-j-is-used-to-connect-applications-developed-in) (medium, CVSS 5.9, published 29 Oct 2026)
- [CVE-2026-119276: MariaDB Connector/J heap allocation denial of service](https://junglewise.ai/threats/cve-2026-119276-mariadb-connector-j-is-used-to-connect-applications-developed-in) (medium, CVSS 5.9, published 29 Oct 2026)
- [CVE-2026-55857: MariaDB Connector/J cleartext password transmission in PAM authentication](https://junglewise.ai/threats/cve-2026-55857-mariadb-connector-j-cleartext-password-transmission-in-pam) (medium, CVSS 5.9, published 28 Aug 2026)
- [CVE-2026-119210: MariaDB Connector/J LOAD DATA LOCAL INFILE bypass in metadata queries](https://junglewise.ai/threats/cve-2026-119210-mariadb-connector-j-is-used-to-connect-applications-developed-in) (medium, CVSS 5.9, published 29 Oct 2026)
- [CVE-2026-119281: MariaDB Connector/J character set validation bypass](https://junglewise.ai/threats/cve-2026-119281-mariadb-connector-j-is-used-to-connect-applications-developed-in) (medium, CVSS 5.9, published 29 Oct 2026)
- [CVE-2026-119278: MariaDB Connector/J array index out of bounds in caching_sha2_password](https://junglewise.ai/threats/cve-2026-119278-mariadb-connector-j-is-used-to-connect-applications-developed-in) (medium, CVSS 5.9, published 29 Oct 2026)
- [CVE-2026-119277: MariaDB Connector/J buffer overflow in packet decoding](https://junglewise.ai/threats/cve-2026-119277-mariadb-connector-j-is-used-to-connect-applications-developed-in) (medium, CVSS 5.9, published 29 Oct 2026)

## Vulnerabilities per week

6 vulnerabilities in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 1 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 6 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Mariadb technologies

- [Mariadb](https://junglewise.ai/threats/technologies/mariadb): 19 vulnerabilities
- [MariaDB Server](https://junglewise.ai/threats/technologies/mariadb-mariadb-server): 16 vulnerabilities
- [Mariadb Connector/Node.js](https://junglewise.ai/threats/technologies/connector-node-js): 7 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "MariaDB Connector/J vulnerabilities", https://junglewise.ai/threats/technologies/mariadb-connector-j, 9 November 2026.
