Detections
Analytics
JetBrains TeamCity < 2025.11.7 / 2026.x < 2026.1.3 Multiple Vulnerabilities
critical Nessus Plugin ID 330833
Language:
Synopsis
The instance of JetBrains TeamCity installed on the remote host is affected by multiple vulnerabilities.Description
The version of JetBrains TeamCity installed on the remote host is prior to 2025.11.7, or prior to 2026.1.3. It is, therefore, affected by multiple vulnerabilities:- In JetBrains TeamCity before 2026.1.3, 2025.11.7 unauthenticated remote code execution was possible via the agent polling protocol (CVE-2026-63077)
- In JetBrains TeamCity before 2026.1.3, 2025.11.7 Kotlin DSL sandbox escape leading to RCE on the server was possible (CVE-2026-106218)
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Upgrade to JetBrains TeamCity version 2025.11.7, 2026.1.3 or later.See Also
Plugin Details
Severity: Critical
ID: 330833
File Name: teamcity_2026_1_3.nasl
Version: 1.9
Type: Combined
Agent: windows, macosx, unix
Family: Misc.
Published: 7/30/2026
Updated: 10/9/2026
Configuration: Enable thorough checks (optional)
Supported Sensors: Nessus Agent, Nessus
Enable CGI Scanning: true
Risk Information
VPR
Risk Factor: Critical
Score: 9.2
Percentile: 99.77
CVSS v2
Risk Factor: Critical
Base Score: 10
Temporal Score: 8.3
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2026-106218
CVSS v3
Risk Factor: Critical
Base Score: 10
Temporal Score: 9.3
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C
Vulnerability Information
CPE: cpe:/a:jetbrains:teamcity
Required KB Items: installed_sw/JetBrains TeamCity
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 7/27/2026
Vulnerability Publication Date: 7/27/2026
CISA Known Exploited Vulnerability Due Dates: 8/8/2026
Exploitable With
Core Impact
Metasploit (JetBrains TeamCity Agent Polling Unauthenticated Remote Code Execution)