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CVE-2026-55856: Insufficiently Protected Credentials

🗓️ 28 Aug 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

MariaDB Connector/J <2.7.14, 3.3.5, 3.4.3, 3.5.9> leaks passwords to MitM via initial-handshake.

Related
Refs
ReporterTitlePublishedViews
Family
cgr
Chainguard
CVE-2026-55856 vulnerabilities
30 Aug 202602:17
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circl
Circl
CVE-2026-55856
29 Aug 202605:32
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cve
CVE
CVE-2026-55856
28 Aug 202622:41
–cve
cvelist
Cvelist
CVE-2026-55856 MariaDB Connector/J: Cleartext password disclosure to a MITM on the initial-handshake
28 Aug 202622:41
–cvelist
euvd
EUVD
EUVD-2026-68019
28 Aug 202622:41
–euvd
github
Github Security Blog
MariaDB has cleartext password disclosure to a MITM on the initial-handshake
28 Aug 202622:41
–github
nvd
NVD
CVE-2026-55856
28 Aug 202623:17
–nvd
osv
OSV
CGA-245H-9WGF-76JR
29 Aug 202613:55
–osv
osv
OSV
CGA-284J-8WPQ-CHV2
29 Aug 202613:37
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osv
OSV
CGA-3342-WW9J-64C7
29 Aug 202613:26
–osv
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08 Sep 2026 00:00Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.15.9
EPSS0.00347
SSVC
0