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Vulnerability record · CVE-2026-106218 · published 6 October 2026

CVE-2026-106218: Jetbrains teamcity vulnerability

Jetbrains · Teamcity

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

10.0 CVSS 3.1 Critical EPSS 0.32% · top 74.8% CWE-184 · CWE-184
10.0CVSS 3.1 base score
0.32%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
8 Oct 2026Last modified by NVD

Description

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

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2026-63077JetBrains TeamCity unauthenticated RCE via agent polling deserializationJetBrains TeamCity before 2026.1.3 and 2025.11.7 deserializes untrusted data received through the agent polling protocol, allowing unauthenticated re…KEVEPSS 95%analysed9.8CVE-2024-27198JetBrains TeamCity authentication bypass allows admin actionsJetBrains TeamCity before 2023.11.4 contains an authentication bypass via an alternate path (CWE-288), letting an unauthenticated attacker reach func…KEVEPSS 100%analysed9.8CVE-2023-42793JetBrains TeamCity authentication bypass leads to remote code executionJetBrains TeamCity before 2023.05.4 contains an authentication bypass via an alternate path, classified as CWE-288 and CWE-306, that allows an unauth…KEVEPSS 100%analysed7.3CVE-2024-27199JetBrains TeamCity path traversal enables limited admin actionsJetBrains TeamCity before 2023.11.4 is vulnerable to relative path traversal that lets an unauthenticated remote party perform limited administrative…KEVEPSS 100%analysed10.0CVE-2026-65906Jetbrains teamcity code injection vulnerabilityIn JetBrains TeamCity before 2026.1.2, 2025.11.6 сode execution via Kotlin DSL sandbox escape was possibleEPSS 0.66%9.8CVE-2026-111094Jetbrains teamcity deserialization of untrusted data vulnerabilityIn JetBrains TeamCity before 2026.2, 2026.1.4, 2025.11.8 remote code execution via a whitelist bypass in the build messages protocol was possibleEPSS 0.39%9.8CVE-2026-100255Jetbrains teamcity vulnerabilityIn JetBrains TeamCity before 2026.2, 2026.1.4, 2025.11.8 administrator account takeover was possible via password resetEPSS 0.35%9.8CVE-2025-54530Jetbrains teamcity incorrect default permissions vulnerabilityIn JetBrains TeamCity before 2025.07 privilege escalation was possible due to incorrect directory permissionsEPSS 0.21%

Source: NIST National Vulnerability Database (record CVE-2026-106218), CISA KEV, FIRST EPSS (scores of 2026-11-11). This page is refreshed as NVD updates the record.