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VulnerabilityPublished

CVE-2026-34318: Oracle MySQL Shell · Information Exposure

Affects Oracle MySQL ShellSource CVE Database V5

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Not known to be exploited · CVSS 5.8 Medium.

Data as of 30 Oct 2026, 06:59 UTC

CVSS 3.1 base score
5.8Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 18% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 21 Apr 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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 29 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Oracle CorporationMySQL ShellAffected
  • >=8.0.0 <=8.0.45
  • >=8.4.0 <=8.4.8
  • >=9.0.0 <=9.6.0
Fixed in–

AI-suggested

Oracle's April 2026 Critical Patch Update advisory includes this vulnerability among many others but does not explicitly confirm patch availability or provide a specific fix for MySQL Shell in the provided content. Customers are strongly advised to review the Oracle advisory at https://www.oracle.com/security-alerts/cpuapr2026.html for the latest patch and remediation information. Applying the latest Critical Patch Update from Oracle promptly is recommended to mitigate this and other vulnerabilities.

Description

CVE-2026-34318 is a medium severity vulnerability in Oracle MySQL Shell versions 8.0.0 through 8.0.45, 8.4.0 through 8.4.8, and 9.0.

References

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