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Fencer Vulns
medium 5.8

CVE-2026-34318 json

Vulnerability in the MySQL Shell product of Oracle MySQL (component: Shell: Core Client).

published 2026-04-21 6 mo ago modified 2026-10-26 13 d ago also BIT-mysql-shell-2026-34318 , EUVD-2026-24418

cvss
5.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 18%
public exploits
0
none known

Summary

Vulnerability in the MySQL Shell product of Oracle MySQL (component: Shell: Core Client). Supported versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and 9.0.0-9.6.0. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Shell. While the vulnerability is in MySQL Shell, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all MySQL Shell accessible data. CVSS 3.1 Base Score 5.8 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N).

Patch / fix

  • bitnami mysql-shell 8.0.46, 8.4.9, 9.7.0
  • oracle mysql_shell 8.0.46, 8.4.9, 9.7.0
  • mysql-8.0 Ubuntu 22.04 LTS 8.0.46-0ubuntu0.22.04.2
  • mysql-8.0 Ubuntu 24.04 LTS 8.0.46-0ubuntu0.24.04.2
  • mysql-8.4 Ubuntu 25.10 8.4.9-0ubuntu0.25.10.1
  • mysql-8.4 Ubuntu 26.04 LTS 8.4.9-0ubuntu0.26.04.1
  • mysql-8.0 Ubuntu Pro 20.04 LTS 8.0.46-0ubuntu0.20.04.1+esm2

ubuntu advisories UBUNTU-CVE-2026-34318

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
6 mo ago

Exploit prediction

0.26% chance of exploitation in the next 30 days, higher than 18% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.8 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
OSV 3.1 5.8 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N

Affected packages

ecosystem package affected fixed in
bitnami mysql-shell
<8.0.46
>=8.1.0, <8.4.9
>=9.0.0, <9.7.0
8.0.46
8.4.9
9.7.0

Affected products

  • Oracle Corporation MySQL Shell

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.