JetBrains WebStorm < 2025.3.6.2 / 2026.1.x < 2026.1.5.1 / 2026.2.x < 2026.2.4 Certificate Validation (CVE-2026-118696)

high Nessus Plugin ID 376985

Synopsis

The integrated development environment installed on the remote host is affected by a certificate validation vulnerability.

Description

The version of JetBrains WebStorm installed on the remote host is prior to 2025.3.6.2, or is 2026.1.x prior to 2026.1.5.1, or is 2026.2.x prior to 2026.2.4. It is, therefore, affected by a vulnerability:

- In JetBrains IntelliJ IDEA, PyCharm, PhpStorm, RubyMine and WebStorm before 2026.3, 2026.2.4, 2026.1.5.1, and 2025.3.6.2, the embedded browser trusted revoked intermediate certificates. (CVE-2026-118696)

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 WebStorm version 2025.3.6.2, 2026.1.5.1, 2026.2.4 or later.

See Also

https://www.jetbrains.com/privacy-security/issues-fixed/

http://www.nessus.org/u?4453c45b

Plugin Details

Severity: High

ID: 376985

File Name: jetbrains_webstorm_CVE-2026-118696.nasl

Version: 1.1

Type: Local

Agent: windows, macosx, unix

Family: Misc.

Published: 11/6/2026

Updated: 11/6/2026

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.8

Percentile: 58.14

CVSS v2

Risk Factor: High

Base Score: 7.1

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

CVSS Score Source: CVE-2026-118696

CVSS v3

Risk Factor: High

Base Score: 8

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

Vulnerability Information

CPE: cpe:/a:jetbrains:webstorm

Required KB Items: installed_sw/JetBrains WebStorm

Patch Publication Date: 10/30/2026

Vulnerability Publication Date: 10/30/2026

Reference Information

CVE: CVE-2026-118696

IAVB: 2026-B-0319