CVE-2026-34319

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).

Published: 2026-04-21 Last update: 2026-05-05 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2026-34319 is rated Low Risk (20.8/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.01%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2026-34319

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-22 — 0.01% —

Full EPSS history (1 record total)

Common vulnerability scoring system (CVSS) metrics for CVE-2026-34319

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 3.1 MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 1.3 3.6 [email protected]

Weakness enumeration for CVE-2026-34319

GitHub Security Advisory for CVE-2026-34319

GHSA-p436-pgq7-fm99 · Severity: medium — Vulnerability in the MySQL Shell product of Oracle MySQL (component: Shell: Core Client). ...

OS Trackers for CVE-2026-34319

vendor priority summary link
debian not yet assigned CVE-2026-34319 not yet assigned priority: Debian including 1 source packages (mysql-8.0), 1 status rows across 1 suites (sid): resolved 1. https://security-tracker.debian.org/tracker/CVE-2026-34319
ubuntu medium CVE-2026-34319 medium priority: Ubuntu including 11 source packages (mariadb, mariadb-10.0, …), 64 status rows across 9 suites (bionic, focal, jammy, noble, questing, resolute, trusty, upstream, xenial): DNE 36, needs-triage 11, not-affected 11, ignored 4, released 2. https://ubuntu.com/security/CVE-2026-34319

Affected software / configurations for CVE-2026-34319

Vendor Product Version Raw CPE
oracle mysql >= 8.0.0, <= 8.0.45 cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
oracle mysql >= 8.4.0, <= 8.4.8 cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
oracle mysql >= 9.0.0, <= 9.6.0 cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*

References for CVE-2026-34319

cvelogic Threat Intelligence