Detections
Analytics

CVE-2026-54312

high

Description

The vulnerability exists due to inadequate input validation on the user-supplied table parameter within the Microsoft SQL node. An authenticated attacker can supply a malicious table parameter to inject properties, triggering global prototype pollution that impacts the active Object.prototype process-wide and forces a persistent application denial of service (DoS) until a system restart occurs.

Details

Source: Mitre, NVD

Published: 2026-06-18

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:C

Severity: High

CVSS v3

Base Score: 8.5

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H

Severity: High

CVSS v4

Base Score: 7.2

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N

Severity: High

EPSS

EPSS: 0.00043