CVE-2026-71084: oracle corporation mysql connectors Improper Access Control
Vulnerability summary
CVE-2026-71084 is a medium (CVSS 6.8) Improper Access Control vulnerability in oracle corporation mysql connectors. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 5.9% of scored vulnerabilities.
Timeline
- 18-08-2026PublishedVulnerability first disclosed.
- 19-08-2026Last modifiedVulnerability information updated.
Description
Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/ODBC). The supported version that is affected is 26.7.0. Easily exploitable vulnerability allows unauthenticated attacker with logon to the infrastructure where MySQL Connectors executes to compromise MySQL Connectors. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Connectors and unauthorized read access to a subset of MySQL Connectors accessible data. CVSS 3.1 Base Score 6.8 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H).
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated6.8MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
- NVDNIST6.8MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
EPSS trend
Probability
0.17%
Chance of exploitation in the next 30 days
Percentile
6%
Versus all other CVEs
30-day change
0.00 pp
From 0.17% on 22-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Oracle1 product
- mysql_connector\/odbc26.7.0
Oracle corporation1 product
- mysql connectors26.7.0
Ubuntu1 product
- mysql-connector-javaAll versions (No fix recorded)
3 vendors · 3 products