---
title: "JetBrains TeamCity - Remote Code Execution"
description: "JetBrains TeamCity < 2026.2, 2026.1.4, 2025.11.8 contains a remote code execution caused by whitelist bypass in the build messages protocol, letting remote attackers execute arbitrary code, exploit requires network access."
url: https://panop.io/threat-heartbeat/CVE-2026-111094/
---

# CVE-2026-111094 JetBrains TeamCity - Remote Code Execution

JetBrains TeamCity < 2026.2, 2026.1.4, 2025.11.8 contains a remote code execution caused by whitelist bypass in the build messages protocol, letting remote attackers execute arbitrary code, exploit requires network access.

CVSS base score 8.1 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-111094)

## Details

Type

Undefined

Impact

Remote Code Execution

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Published

15 October 2026

Updated

16 October 2026

Weakness

[CWE-502](https://cwe.mitre.org/data/definitions/502.html)

## Vendor fix

Update to version 2026.2 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-111094](https://nvd.nist.gov/vuln/detail/CVE-2026-111094)
- [https://www.jetbrains.com/privacy-security/issues-fixed/](https://www.jetbrains.com/privacy-security/issues-fixed/)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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