CVE-2026-22009: Oracle MySQL Server · Uncontrolled Resource Consumption
Affects Oracle MySQL ServerSource CVE Database V5
Not known to be exploited · CVSS 6.5 Medium.
Data as of 30 Oct 2026, 11:52 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 23% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 21 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: evidence found.
Public exploit code: GitHub proofs of concept
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), GitHub proofs of concept, the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Oracle CorporationMySQL Server | Affected
| Fixed in– |
Mysqlmysql/mysql-serverpkg:deb/mysql/mysql-serverOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Oracle has included this vulnerability in its April 2026 Critical Patch Update advisory. Customers are strongly advised to review the advisory at https://www.oracle.com/security-alerts/cpuapr2026.html and apply the relevant patches for MySQL Server versions 8.0.0-8.0.45, 8.4.0-8.4.8, and 9.0.0-9.6.0 as soon as possible. Patch status for this specific vulnerability is not explicitly confirmed in the advisory text provided; therefore, users should verify patch availability and installation instructions from Oracle's official advisory. No alternative mitigations or workarounds are mentioned.
Description
CVE-2026-22009 is a vulnerability in Oracle MySQL Server affecting versions 8.0.0 through 8.0.45, 8.4.0 through 8.4.8, and 9.0.