How severe is CVE-2026-34317?

CVE-2026-34317 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-34317 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-34317?

CVE-2026-34317 affects Oracle Mysql. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-34317?

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

Does CVE-2026-34317 have an EU (EUVD) identifier?

Yes. CVE-2026-34317 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-24416.

When was CVE-2026-34317 published?

CVE-2026-34317 was published on 2026-04-21 and last updated on 2026-06-17.

CVE-2026-34317

CVE-2026-34317 is a medium-severity vulnerability in Oracle Mysql with a CVSS 3.x base score of 5.0. 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-404.

Key facts

Severity: Medium (CVSS 3.x base score 5.0)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-24416
Weakness: CWE-404
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. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where MySQL Shell executes to compromise MySQL Shell. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Shell. CVSS 3.1 Base Score 5.0 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H).

Frequently asked questions

What is CVE-2026-34317?: 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. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where MySQL Shell executes to compromise MySQL Shell. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Shell. CVSS 3.1 Base Score 5.0 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H).
How severe is CVE-2026-34317?: CVE-2026-34317 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-34317 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-34317?: CVE-2026-34317 affects Oracle Mysql. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-34317?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-34317 have an EU (EUVD) identifier?: Yes. CVE-2026-34317 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-24416.
When was CVE-2026-34317 published?: CVE-2026-34317 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:*:*:*:*:*:*:*:*

More vulnerabilities in Oracle Mysql

CVE-2012-2750 — Critical (CVSS 10.0): Unspecified vulnerability in MySQL 5.5.x before 5.5.23 has unknown impact and attack vectors related to a "Security…
CVE-2004-0836 — Critical (CVSS 10.0): Buffer overflow in the mysql_real_connect function in MySQL 4.x before 4.0.21, and 3.x before 3.23.49, allows remote…
CVE-2020-11656 — Critical (CVSS 9.8): In SQLite through 3.31.1, the ALTER TABLE implementation has a use-after-free, as demonstrated by an ORDER BY clause…
CVE-2019-14540 — Critical (CVSS 9.8): A Polymorphic Typing issue was discovered in FasterXML jackson-databind before 2.9.10. It is related to…
CVE-2016-9843 — Critical (CVSS 9.8): The crc32_big function in crc32.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via…
CVE-2016-9841 — Critical (CVSS 9.8): inffast.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact by leveraging improper…

All CVEs affecting Oracle Mysql →

Other CWE-404 vulnerabilities

CVE-2023-24444 — Critical (CVSS 9.8): Jenkins OpenID Plugin 2.4 and earlier does not invalidate the previous session on login.
CVE-2024-31611 — Critical (CVSS 9.1): SeaCMS 12.9 has a file deletion vulnerability via admin_template.php.
CVE-2018-8450 — High (CVSS 8.8): A remote code execution vulnerability exists when Windows Search handles objects in memory, aka "Windows Search Remote…
CVE-2026-11317 — High (CVSS 8.7): A denial of service security issue exists in the affected product. The security issue stems from a fault occurring when…
CVE-2022-25762 — High (CVSS 8.6): If a web application sends a WebSocket message concurrently with the WebSocket connection closing when running on…
CVE-2020-26070 — High (CVSS 8.6): A vulnerability in the ingress packet processing function of Cisco IOS XR Software for Cisco ASR 9000 Series…

Browse all CWE-404 vulnerabilities →

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)