Bug 2557208 (CVE-2026-101803) - CVE-2026-101803 mysql: mysql: unauthorized data modification via XML component
Summary: CVE-2026-101803 mysql: mysql: unauthorized data modification via XML component
Keywords:
Status: NEW
Alias: CVE-2026-101803
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2558766 2558767
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-10-20 23:46 UTC by OSIDB Bzimport
Modified: 2026-10-22 14:31 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

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Description OSIDB Bzimport 2026-10-20 23:46:44 UTC 
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: XML).  Supported versions that are affected are MySQL Server: 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1; MySQL Cluster: 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3 and  26.7.0-26.7.1. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster.  Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all MySQL Server, MySQL Cluster accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 6.5 (Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H).
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