Detections
Analytics

JetBrains TeamCity < 2025.11.7 / 2026.1.x < 2026.1.3 RCE (CVE-2026-63077)

critical Nessus Plugin ID 330833

Synopsis

The remote host is affected by a remote code execution vulnerability.

Description

The version of JetBrains TeamCity installed on the remote host is prior to 2025.11.7 or 2026.1.x prior to 2026.1.3. It is, therefore, affected by a vulnerability:

 - Unauthenticated remote code execution was possible via the agent polling protocol. (CVE-2026-63077)

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 2025.11.7 / 2026.1.3 or later.

See Also

https://blog.jetbrains.com/teamcity/2026/07/cve-2026-63077/

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

Plugin Details

Severity: Critical

ID: 330833

File Name: teamcity_2026_1_3.nasl

Version: 1.1

Type: Combined

Agent: windows, macosx, unix

Family: Misc.

Published: 7/30/2026

Updated: 7/30/2026

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Nessus

Enable CGI Scanning: true

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.16

CVSS v2

Risk Factor: Critical

Base Score: 10

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

CVSS Score Source: CVE-2026-63077

CVSS v3

Risk Factor: Critical

Base Score: 9.8

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

Vulnerability Information

CPE: cpe:/a:jetbrains:teamcity

Required KB Items: installed_sw/JetBrains TeamCity

Patch Publication Date: 7/27/2026

Vulnerability Publication Date: 7/27/2026

Reference Information

CVE: CVE-2026-63077