CVE-2026-100255
High
Description
In JetBrains TeamCity before 2026.2, 2026.1.4, 2025.11.8 administrator account takeover was possible via password reset
SeverityHigh
CVSS8.1
Exploit probability—
Product
Jetbrains Teamcity
PublishedSep 30, 2026
First seenSep 30, 2026
Weakness typeCWE-1289CWE-1289
How to fix
Update
- jetbrains teamcity2025.11.8, 2026.1.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| jetbrains teamcity | v < 2025.11.8, 2026.1 ≤ v < 2026.1.4 | 2025.11.8, 2026.1.4 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.