CVE-2026-49375: XSS
Published May 29, 2026
·Updated
In JetBrains TeamCity before 2026.1, 2025.11.5 reflected XSS was possible on the repository download page
Affected Software
2 affected components
JetBrains TeamCity<2026.1, =2025.11.5
JetBrains TeamCity<2025.11.5
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
JetBrains TeamCityto a version that resolves this vulnerability.Fixed in 2026.1 - Upgrade
Upgrade
JetBrains TeamCityto a version that resolves this vulnerability.Fixed in 2025.11.5
Event History
May 29, 2026
CVE Published
via MITRE·06:15 PM
Data Sourced
via MITRE·06:15 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·07:16 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-49375?
The severity of CVE-2026-49375 is rated as medium with a score of 6.1.
2
What type of vulnerability is CVE-2026-49375?
CVE-2026-49375 is a reflected cross-site scripting (XSS) vulnerability.
3
How do I fix CVE-2026-49375?
To fix CVE-2026-49375, upgrade to JetBrains TeamCity version 2026.1 or later.
4
What is affected by CVE-2026-49375?
CVE-2026-49375 affects JetBrains TeamCity versions prior to 2026.1 and 2025.11.5.
5
What can an attacker achieve with CVE-2026-49375?
An attacker can exploit CVE-2026-49375 to execute arbitrary JavaScript code in the context of the user's session.