ABB (CVE-2026-2459)

high Tenable OT Security Plugin ID 505202

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A vulnerability exists in REB500 for an authenticated user with Installer role to access and alter the contents of directories that the role is not authorized to do so.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

See Also

http://www.nessus.org/u?9c6f8c2b

Plugin Details

Severity: High

ID: 505202

File Name: tenable_ot_abb_CVE-2026-2459.nasl

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 2/27/2026

Updated: 2/27/2026

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v3

Risk Factor: High

Base Score: 8.1

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Vulnerability Information

CPE: cpe:/o:hitachienergy:reb500_firmware

Required KB Items: Tenable.ot/ABB

Patch Publication Date: 2/24/2026

Vulnerability Publication Date: 2/24/2026

Reference Information

CVE: CVE-2026-2459

CWE: 267