CVE-2026-46862: Oracle MySQL Router · Uncontrolled Resource Consumption
Affects Oracle MySQL RouterSource CVE Database V5
Not known to be exploited · CVSS 7.5 High.
Data as of 30 Oct 2026, 20:25 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 40% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 16 Jun 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
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), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Oracle CorporationMySQL Router | Affected
| Fixed in– |
Oracleoracle/mysql-routerpkg:rpm/oracle/mysql-routerOther 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 released patches for this vulnerability as part of the June 2026 Critical Security Patch Update. Customers should apply these security patches as soon as possible to remediate the vulnerability. Until patches are applied, risk can be partially mitigated by blocking network protocols required by the attack or by removing unnecessary privileges from users, though these mitigations may impact application functionality. Oracle strongly recommends staying on actively supported versions and applying security patches promptly.
Description
CVE-2026-46862 is a high-severity vulnerability in Oracle MySQL Router versions 8.4.0 through 8.4.9 and 9.0.0 through 9.7.0. It allows an unauthenticated attacker with network access via TLS to cause a denial of service by hanging or crashing MySQL Router. The vulnerability impacts availability but does not affect confidentiality or integrity. Oracle has included this vulnerability in its June 2026 Critical Security Patch Update, which contains patches for affected products including MySQL Router. Customers are strongly advised to apply these patches promptly to mitigate the risk. Until patches are applied, risk may be reduced by blocking required network protocols or restricting privileges, although these mitigations may impact functionality.