Vulnerability · Published Oct 20, 2026 · Assigned by oracle

CVE-2026-101783

High 7.4

In plain English

A high-severity improper access control in MySQL Router from Oracle Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).

Severity (CVSS 3.1)7.4High

Exploit odds (30 days)0.3%top 77.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Vulnerability in the MySQL Router product of Oracle MySQL (component: Router: General). The supported version that is affected is 26.7.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTPS to compromise MySQL Router. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all MySQL Router accessible data as well as unauthorized access to critical data or complete access to all MySQL Router accessible data. CVSS 3.1 Base Score 7.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N).

Affected products (as reported)

Vendor	Product	Versions
Oracle Corporation	MySQL Router	26.7.0

Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

References

Oracle Advisory vendor-advisory