CVE-2026-83404
Reported by oracle · Published October 20, 2026
Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/Python). 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 of this vulnerability can result in unauthorized access to critical data or complete access to all MySQL Connectors accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).
Risk scores
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Oracle Corporation | MySQL Connectors | 26.7.0 |
| oracle | mysql_connector\/python | |
| Oracle Corporation | MySQL Connectors | 26.7.0 |
Timeline
- Oct 20, 2026 CVE Published
- Oct 21, 2026 EPSS Score (4 in total, the first dated here)
- Oct 21, 2026 Coalition ESS Score
- Oct 27, 2026 CVE Updated
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2026-83404
vulnetix vdb fixes CVE-2026-83404
Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/CVE-2026-83404/fixes/registry"
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References
- Oracle Advisory vendor-advisory