Bug 2556863 (CVE-2026-101677)

Summary:	CVE-2026-101677 connector/j: MySQL Connector/J: Unauthorized data modification via network access
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security DevOps Team <prodsec-dev>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	gmalinko, janstey, pdelbell, rhel-process-autobot, rstepani, watson-tool-maintainers
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
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Doc Text:	A flaw was found in MySQL Connector/J. An unauthenticated remote attacker could exploit this vulnerability by convincing a user to interact with a malicious service across the network. A successful attack can result in unauthorized modification, insertion, or deletion of accessible data.	Story Points:	---
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2565184, 2565185, 2565186
Bug Blocks:

Description OSIDB Bzimport 2026-10-20 22:48:54 UTC

Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/J).   The supported version that is affected is 26.7.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Connectors.  Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of MySQL Connectors accessible data. CVSS 3.1 Base Score 4.3 (Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N).