Review reviewHigh
CVE-2026-49374
JetBrains TeamCity, teamcity
In JetBrains TeamCity before 2026.1 improper permission checks exposed build configuration parameters
- CVSS
- 7.6
- EPSS
- 0.23% 14.5% 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 probability0.23%
Technical severityCVSS 7.6
Vulnerability overview
In JetBrains TeamCity before 2026.1 improper permission checks exposed build configuration parameters
Affected product and versions
- Product
- JetBrains TeamCity, teamcity
- Affected versions
- < 2026.1
- Fixed versions
- 2026.1
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:L/UI:N/S:U/C:H/I:L/A:L
- CWE
- CWE-862