CVE-2026-55856
medium
CVSS v3
5.9
CVSS v4 NEW
—
VIR risk
5.9
Description
MariaDB has cleartext password disclosure to a MITM on the initial-handshake
Predictions
Exploit likelihood
69%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Maven | org.mariadb.jdbc:mariadb-java-client | <2.7.14 | 2.7.14 |
| Maven | org.mariadb.jdbc:mariadb-java-client | >=3.0.0,<3.3.5 | 3.3.5 |
| Maven | org.mariadb.jdbc:mariadb-java-client | >=3.4.0,<3.4.3 | 3.4.3 |
| Maven | org.mariadb.jdbc:mariadb-java-client | >=3.5.0,<3.5.9 | 3.5.9 |
References
- https://github.com/mariadb-corporation/mariadb-connector-j/commit/149ec6a626376214966c01f42d48be1b80d06056
- https://github.com/mariadb-corporation/mariadb-connector-j/commit/d90b9872322c76b05a48219be66bff1d33102f8a
- https://github.com/mariadb-corporation/mariadb-connector-j/releases/tag/3.4.3
- https://github.com/mariadb-corporation/mariadb-connector-j/releases/tag/3.5.9
- https://github.com/mariadb-corporation/mariadb-connector-j/security/advisories/GHSA-g9jj-cgmh-9f38
- https://hackerone.com/reports/3777370
- https://jira.mariadb.org/browse/CONJ-1325
- https://github.com/mariadb-corporation/mariadb-connector-j
CWEs
CWE-522
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.