5.8

CVE-2026-34318: oracle corporation mysql shell

CVSS: 5.8v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2026-34318
Published 21-04-2026Last modified 22-04-2026
Open JSON

Vulnerability summary

CVE-2026-34318 is a medium (CVSS 5.8) vulnerability in oracle corporation mysql shell. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 25.3% of scored vulnerabilities.

Overall risk
23/100
0100
Low · default modelHow is this calculated?
CVSS score
5.8/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.33%
0%100%
Low · +0.07 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 2
USN-8363-1USN-8363-2

Timeline

  1. 21-04-2026
    PublishedVulnerability first disclosed.
  2. 22-04-2026
    Last modifiedVulnerability information updated.

Description

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).

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.33%

Chance of exploitation in the next 30 days

Percentile

25%

Versus all other CVEs

30-day change

+0.07 pp

From 0.26% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.33%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu7 products
  • mariadb-10.3All versions (No fix recorded)
  • mysql-5.5All versions (No fix recorded)
  • mysql-5.7All versions (No fix recorded)
  • mysql-8.0< 8.0.46-0ubuntu0.20.04.1+esm2 | < 8.0.46-0ubuntu0.22.04.2 | < 8.0.46-0ubuntu0.24.04.2
  • mysql-8.4< 8.4.9-0ubuntu0.25.10.1 | < 8.4.9-0ubuntu0.26.04.1
Oracle1 product
  • mysql≥ 8.0.0, ≤ 8.0.45 | ≥ 8.4.0, ≤ 8.4.8 | ≥ 9.0.0, ≤ 9.6.0
Oracle corporation1 product
  • mysql shell≥ 8.0.0, ≤ 8.0.45 | ≥ 8.4.0, ≤ 8.4.8 | ≥ 9.0.0, ≤ 9.6.0

3 vendors · 9 products

References

5 links