Keycloak: MariaDB Connector/J is used to connect applications developed in Java to MariaDB and MySQL databases
Affects keycloakSource GCVE Database
Not known to be exploited · CVSS 5.9 Medium : upgrade to 26.8.1-r1 when convenient.
Data as of 5 Nov 2026, 02:12 UTC
Thin evidence
One scorer or none| CNA (GitHub_M) | CVSS 3.1 | 5.9 |
|---|
- Patch
- Available – fixed in 26.8.1-r1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 29 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.
What to do
Upgrade keycloak to 26.8.1-r1.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
CleanStartkeycloakpkg:apk/cleanstart/keycloakOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Upgrade affected Keycloak installations to version 26.8.1-r1 or later to remediate this vulnerability. Since a patch is available, applying the official fix is the recommended mitigation.
Description
A security vulnerability exists in the Keycloak package related to the MariaDB Connector/J used for Java applications connecting to MariaDB and MySQL databases. The vulnerability affects versions prior to 26.8.1-r1 and has a CVSS score of 5.9, indicating medium severity. A fix is available in version 26.8.1-r1.