JetBrains Rider < 2026.2.1 Unverified Skill Auto-Update

medium Nessus Plugin ID 362478

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Synopsis

The remote host is missing a security update.

Description

The version of JetBrains Rider installed on the remote host is prior to 2026.2.1. It is, therefore, affected by a vulnerability:

- In JetBrains Rider before 2026.2.1 AI Assistant could auto-update third-party skills without user confirmation. (CVE-2026-100265)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to JetBrains Rider version 2026.2.1 or later.

Plugin Details

Severity: Medium

ID: 362478

File Name: jetbrains_rider_2026_2_1.nasl

Version: 1.3

Type: Local

Agent: windows, macosx, unix

Family: Windows

Published: 10/2/2026

Updated: 10/5/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.1

Percentile: 8.1

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS Score Source: CVE-2026-100265

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:jetbrains:rider

Required KB Items: SMB/Registry/Enumerated, installed_sw/JetBrains Rider

Exploit Ease: No known exploits are available

Patch Publication Date: 9/30/2026

Vulnerability Publication Date: 9/30/2026

Reference Information

CVE: CVE-2026-100265

IAVA: 2026-A-1064

Detections

Analytics