CVE-2026-59795

EUVD-2026-42913
In JetBrains TeamCity before 2026.1.2 stored XSS via unauthenticated agent registration was possible
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
JetBrainsCNA
8.1 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
jetbrainsteamcity
𝑥
< 2026.1.2
CNA
Common Weakness Enumeration
References
https://www.jetbrains.com/privacy-security/issues-fixed/