JetBrains PyCharm < 2026.2.4 Certificate Validation (CVE-2026-118697)

critical Nessus Plugin ID 379465

Synopsis

The Python IDE installed on the remote host is affected by a certificate validation vulnerability.

Description

According to its self-reported version, the JetBrains PyCharm installation on the remote host is prior to 2026.2.4.
It is, therefore, affected by a certificate validation vulnerability.

In JetBrains PyCharm before 2026.3 and 2026.2.4, the jetbrainsd daemon trusted compromised intermediate certificates.
An attacker able to intercept network traffic could leverage the compromised intermediate certificate keys to impersonate the services the daemon connects to.

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

Solution

Upgrade JetBrains PyCharm to version 2026.2.4, 2026.3 or later.

Plugin Details

Severity: Critical

ID: 379465

File Name: pycharm_CVE-2026-118697.nasl

Version: 1.1

Type: Local

Agent: windows, macosx, unix

Family: Misc.

Published: 11/12/2026

Updated: 11/12/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 92.82

CVSS v2

Risk Factor: High

Base Score: 7.6

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

CVSS Score Source: CVE-2026-118697

CVSS v3

Risk Factor: Critical

Base Score: 9

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

Vulnerability Information

CPE: cpe:/a:jetbrains:pycharm

Required KB Items: Host/local_checks_enabled, installed_sw/PyCharm

Patch Publication Date: 10/30/2026

Vulnerability Publication Date: 10/30/2026

Reference Information

CVE: CVE-2026-118697

Detections

Analytics