CVE-2026-49381
In JetBrains TeamCity before 2026.1 stored XSS on the SAML login page was possible
In JetBrains TeamCity before 2026.1 stored XSS on the SAML login page was possible
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
In JetBrains TeamCity before 2026.1 stored XSS on the SAML login page was possible
- Record
CVE-2026-49381- CVSS 3.1
- 3.4 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2026-33389
In JetBrains TeamCity before 2026.1 stored XSS on the SAML login page was possible
- Record
EUVD-2026-33389- CVSS 3.1
- 3.4 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-mhr7-j6qx-58mw
In JetBrains TeamCity before 2026.1 stored XSS on the SAML login page was possible
In JetBrains TeamCity before 2026.1 stored XSS on the SAML login page was possible
- Record
GHSA-mhr7-j6qx-58mw- CVSS 3.1
- 3.4 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
In JetBrains TeamCity before 2026.1 stored XSS on the SAML login page was possible
- Record
CVE-2026-49381- CVSS 3.1
- 3.4 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N - CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-49381 is a low vulnerability (CVSS 3.4) in Jetbrains Teamcity, published May 29, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 9th percentile. No source names a fixed version.