How severe is CVE-2026-34318?

CVE-2026-34318 has a CVSS 3.x base score of 5.8, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-34318 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-34318?

CVE-2026-34318 affects Oracle Mysql. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-34318?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-34318 have an EU (EUVD) identifier?

Yes. CVE-2026-34318 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-24418.

When was CVE-2026-34318 published?

CVE-2026-34318 was published on 2026-04-21 and last updated on 2026-06-17.

CVE-2026-34318

CVE-2026-34318 is a medium-severity vulnerability in Oracle Mysql with a CVSS 3.x base score of 5.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 3.x base score 5.8)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-24418
Weakness: CWE-200
Affected product: Oracle Mysql
Published: 2026-04-21
Last modified: 2026-06-17

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).

Frequently asked questions

What is CVE-2026-34318?: 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).
How severe is CVE-2026-34318?: CVE-2026-34318 has a CVSS 3.x base score of 5.8, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-34318 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-34318?: CVE-2026-34318 affects Oracle Mysql. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-34318?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-34318 have an EU (EUVD) identifier?: Yes. CVE-2026-34318 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-24418.
When was CVE-2026-34318 published?: CVE-2026-34318 was published on 2026-04-21 and last updated on 2026-06-17.

References

https://www.oracle.com/security-alerts/cpuapr2026.html

Affected products (1)

cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*

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Threat intelligence

Threat-intel indicators referencing this CVE:

222.90.32.158 (ipv4-addr)
43.162.112.238 (ipv4-addr)
43.155.134.4 (ipv4-addr)
36.112.133.74 (ipv4-addr)
121.229.191.90 (ipv4-addr)
106.12.241.195 (ipv4-addr)
222.88.163.202 (ipv4-addr)
182.18.161.165 (ipv4-addr)