CVE-2026-111095

Analyzed Analyzed - Analysis Complete

Stored XSS in JetBrains TeamCity Classic Project Overview

Publication date: 2026-10-15

Last updated on: 2026-10-16

Assigner: JetBrains s.r.o.

Description

In JetBrains TeamCity before 2026.2, 2026.1.4, 2025.11.8 stored XSS in the classic project overview was possible

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-10-15

Last Modified

2026-10-16

Generated

2026-10-19

AI Q&A

2026-10-15

EPSS Evaluated

2026-10-18

NVD

CVE-2026-111095

EUVD

EUVD-2026-102148

Affected Vendors & Products

Vendor	Product	Version / Range
jetbrains	teamcity	to 2025.11.8 (exc)
jetbrains	teamcity	From 2026.1 (inc) to 2026.1.4 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-79	The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

Executive Summary

This vulnerability is a stored cross-site scripting (XSS) issue in JetBrains TeamCity versions before 2026.2, 2026.1.4, and 2025.11.8. It allows attackers with low privileges to inject malicious scripts into the classic project overview page, which are then stored and executed when other users view the page.

Detection Guidance

Detection requires checking the TeamCity version. If your version is before 2026.2, 2026.1.4, or 2025.11.8, the system is vulnerable. No specific commands are provided in the context.

Impact Analysis

An attacker could steal session cookies, perform actions on behalf of users, or deface the TeamCity interface. Users with access to the affected project overview could have their accounts compromised or sensitive data exposed through the injected scripts.

Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, violating GDPR's data protection principles or HIPAA's security requirements. Organizations may face compliance violations, fines, or reputational damage if exploited.

Mitigation Strategies

Update JetBrains TeamCity to version 2026.2, 2026.1.4, or 2025.11.8 or later to address the stored XSS vulnerability in the classic project overview.

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