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CVE-2026-106218

8.8 · HIGH

In JetBrains TeamCity before 2026.1.3 2025.11.7 kotlin DSL sandbox escape leading to RCE on the server was possible

Published Oct 6, 2026jetbrainsCWE-184EPSS 0.32%

Overview

CVE-2026-106218 is a high-severity vulnerability affecting jetbrains teamcity. It was published on October 6, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

In JetBrains TeamCity before 2026.1.3

2025.11.7 kotlin DSL sandbox escape leading to RCE on the server was possible

Remediation

Check the references section for vendor advisories and patches from jetbrains. Update teamcity to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
jetbrainsteamcity>= 0, < 2025.11.7Affected

References

Refwww.jetbrains.com/privacy-security/issues-fixed/

How CyberStrike helps

Frequently asked questions

What is CVE-2026-106218?

CVE-2026-106218 is a high-severity vulnerability affecting jetbrains teamcity. It was published on October 6, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-106218?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-106218?

Check the references section for vendor advisories and patches from jetbrains. Update teamcity to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-106218?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-106218 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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