CVE-2026-100253

⚠️ high

In JetBrains TeamCity before 2026.2, 2026.1.4, 2025.11.8 sandbox escape leading to code execution was possible via the versioned settings Kotlin DSL

CVSS Score

8.8

High

EPSS Score

0.4

Exploit Probability

Published Date

2026-09-30

First Seen: 2026-10-04

This CVE is High Risk - more severe than 80.8% of all 369,977 vulnerabilities in our database.

#70,985

Top 25% most severe

Severity Percentile

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

Requires human interaction

💥 Technical Impact

Total

Complete system compromise possible

SSVC data provided by CISA

Last Modified 2026-10-06

Source NVD 🔗

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

CWE IDs (Weakness Types)

CWE-184

📦 Affected Products 2

Vendor	Product	Status	Affected Versions
jetbrains	teamcity	Affected	< 2025.11.8
jetbrains	teamcity	Affected	> 2026.1 < 2026.1.4

Vendor Advisory

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-100254	⚠️ high	8.8	0.5	In JetBrains TeamCity before 2026.2, 2026.1.4, 2025.11.8 authenticated users could execute commands on Windows servers...	2026-09-30
CVE-2026-100255	⚠️ high	8.1	0.4	In JetBrains TeamCity before 2026.2, 2026.1.4, 2025.11.8 administrator account takeover was possible via password rese...	2026-09-30
CVE-2026-63077	⛔ critical	9.8	10.7	In JetBrains TeamCity before 2026.1.3, 2025.11.7 unauthenticated remote code execution was possible via the agent pollin...	2026-07-27
CVE-2026-65906	⚠️ high	8.8	0.4	In JetBrains TeamCity before 2026.1.2, 2025.11.6 сode execution via Kotlin DSL sandbox escape was possible	2026-07-23
CVE-2026-59793	⚠️ high	8.8	0.3	In JetBrains TeamCity before 2026.1.2 arbitrary file access was possible via the Perforce VCS integration	2026-07-10
CVE-2026-59794	⚠️ high	7.3	0.2	In JetBrains TeamCity before 2026.1.2 stored XSS on the cloud profile page was possible via agent-reported data	2026-07-10

These CVEs affect the same products