CVE-2026-49381: XSS
Published May 29, 2026
·Updated
In JetBrains TeamCity before 2026.1 stored XSS on the SAML login page was possible
Affected Software
2 affected components
JetBrains TeamCity<2026.1
JetBrains TeamCity<2026.1
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
JetBrains TeamCityto a version that resolves this vulnerability.Fixed in 2026.1
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-2026-49381?
CVE-2026-49381 has a low severity score of 3.4.
2
What type of vulnerability is CVE-2026-49381?
CVE-2026-49381 is a stored Cross-Site Scripting (XSS) vulnerability.
3
How does CVE-2026-49381 affect JetBrains TeamCity?
CVE-2026-49381 allows for stored XSS attacks on the SAML login page of JetBrains TeamCity.
4
How do I fix CVE-2026-49381?
To fix CVE-2026-49381, upgrade to JetBrains TeamCity version 2026.1 or later.
5
When was CVE-2026-49381 published?
CVE-2026-49381 was published on May 29, 2026.