High severity · published Sep 30, 2026
CVE-2026-100254
In JetBrains TeamCity before 2026.2, 2026.1.4, 2025.11.8 authenticated users could execute commands on Windows servers via CRLF injection in Pipeline Git connection settings
8.8
CVSS
0.5%
EPSS
No
On KEV
Description
In JetBrains TeamCity before 2026.2,
2026.1.4,
2025.11.8 authenticated users could execute commands on Windows servers via CRLF injection in Pipeline Git connection settings
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TE
TeamCity · JetBrains
before 2026.2,
2026.1.4,
2025.11.8 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-100254
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-100254
www.jetbrains.com
https://www.jetbrains.com/privacy-security/issues-fixed/
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