Detections
Analytics

JetBrains TeamCity < 2025.11.2 Sensitive Data Exposure (CVE-2026-49377)

medium Nessus Plugin ID 318688

Synopsis

The remote host is affected by a sensitive data exposure vulnerability.

Description

The version of JetBrains TeamCity installed on the remote host is prior to 2025.11.2. It is, therefore, affected by a vulnerability:

 - In JetBrains TeamCity before 2025.11.2 exposure of sensitive data via default agent parameters (CVE-2026-49377)

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 TeamCity version 2025.11.2 or later.

See Also

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

Plugin Details

Severity: Medium

ID: 318688

File Name: teamcity_CVE-2026-49377.nasl

Version: 1.1

Type: Combined

Agent: windows, macosx, unix

Family: Misc.

Published: 6/4/2026

Updated: 6/4/2026

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Nessus

Enable CGI Scanning: true

Risk Information

VPR

Risk Factor: Low

Score: 2.2

CVSS v2

Risk Factor: Medium

Base Score: 4

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

CVSS Score Source: CVE-2026-49377

CVSS v3

Risk Factor: Medium

Base Score: 4.3

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

Vulnerability Information

CPE: cpe:/a:jetbrains:teamcity

Required KB Items: installed_sw/JetBrains TeamCity

Patch Publication Date: 5/29/2026

Vulnerability Publication Date: 5/29/2026

Reference Information

CVE: CVE-2026-49377

CWE: 526