Review reviewHigh
CVE-2026-49371
JetBrains TeamCity, teamcity
In JetBrains TeamCity before 2026.1.1 reflected XSS in the keyword filter was possible
- CVSS
- 8.2
- EPSS
- 0.26% 17.9% percentile
- CISA KEV
- Not listed
- Published
- 2026.05.30
Review review
The CVSS severity warrants an early asset and exposure review.
Known exploitationNot established by KEV
Exploit probability0.26%
Technical severityCVSS 8.2
Vulnerability overview
In JetBrains TeamCity before 2026.1.1 reflected XSS in the keyword filter was possible
Affected product and versions
- Product
- JetBrains TeamCity, teamcity
- Affected versions
- < 2026.1.1
- Fixed versions
- 2026.1.1
Recommended response sequence
Confirm exposure before applying a vendor-supported change.
- 1Identify
Confirm that JetBrains TeamCity, teamcity and an affected version are present.
- 2Prioritize
Combine exploitation signals with asset exposure and business criticality.
- 3Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
- 4Verify
Recheck the version, service health, access paths, and relevant logs.
Technical data
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
- CWE
- CWE-79