CVE-2026-100254CWE-78command-injection

CVE-2026-100254

High · published September 30, 2026

CVSS v3.1
8.8
EPSS
0%
Percentile
39.8
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00471 · 39.8th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-09-30T20:16Z
Affected products (2)
ProductVersionsFixed in
jetbrains/teamcity< 2025.11.82025.11.8
jetbrains/teamcity≥ 2026.1, < 2026.1.42026.1.4
References (1)
EPSS history
Timeline
  • 02 OCT 03:41Z
    EPSS moved — → 1%
    epss
  • 30 SEP 15:17Z
    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…
    cvelistv5