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5.8
CVE-2026-34318EXPLOITEDPATCHED
oracle · mysql

CVE-2026-34318: Vulnerability in the MySQL Shell product of Oracle MySQL (component: Shell: Core Client). Supported versions that are a

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).

Affected Products

VendorProductVersions
oraclemysql8.0.0, 8.4.0, 9.0.0

Also Affects

Downstream vendors/products affected by this vulnerability

VendorProductSourceConfidence
oraclemysqlcert_advisory90%

References

  • https://www.oracle.com/security-alerts/cpuapr2026.html(vendor-advisory)

Related News (6 articles)

Tier B
BSI Advisories1d ago
[UPDATE] [hoch] Oracle MySQL: Mehrere Schwachstellen
→ No new info (linked only)
Tier B
BSI Advisories13d ago
[NEU] [hoch] Oracle MySQL: Mehrere Schwachstellen
→ No new info (linked only)
Tier A
Microsoft MSRC54d ago
CVE-2026-34318
→ No new info (linked only)
Tier B
BSI Advisories69d ago
[NEU] [hoch] Oracle MySQL: Mehrere Schwachstellen
→ No new info (linked only)
Tier C
VulDB69d ago
CVE-2026-34318 | Oracle MySQL Shell up to 8.0.45/8.4.8/9.6.0 Core Client improper authorization
→ No new info (linked only)
Tier B
CERT-FR69d ago
Multiples vulnérabilités dans Oracle MySQL (22 avril 2026)
→ No new info (linked only)
CVSS 3.15.8 MEDIUM
VectorCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
CISA KEV❌ No
Actively exploited✅ Yes
Patch available
https://www.oracle.com/security-alerts/cpuapr2026.html
PublishedApr 21, 2026
Last enriched69d agov2
Tags
improper authorizationmultiple vulnerabilitiesconfidentialityintegrityavailabilityremote exploitation
Trending Score55
Source articles6
Independent4
Info Completeness8/14
Missing: epss, cwe, kev, exploit, iocs, mitre_attack

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Verification

State: unverified
Confidence: 0%

Vulnerability Timeline

CVE Published
Apr 21, 2026
Discovered by ZDM
Apr 21, 2026
Updated: severity, activelyExploited, tags
Apr 22, 2026
Actively Exploited
Apr 22, 2026
Patch Available
Apr 22, 2026

Version History

v2
Last enriched 69d ago
v2Tier C69d ago

Updated severity to CRITICAL, marked as actively exploited, and added new tag 'improper authorization'.

severityactivelyExploitedtags
via VulDB
v169d ago

Initial creation