CVE-2026-100255CWE-1289

CVE-2026-100255

High · published September 30, 2026

CVSS v3.1
8.1
EPSS
0%
Percentile
27.4
In the wild
Unconfirmed
What it is

In JetBrains TeamCity before 2026.2,

2026.1.4,

2025.11.8 administrator account takeover was possible via password reset

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00350 · 27.4th percentile
Weakness
CWE-1289 · Improper Validation of Unsafe Equivalence in Input
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)
https://www.jetbrains.com/privacy-security/issues-fixed/ · [email protected]
EPSS history
Timeline
  • 02 OCT 03:41Z
    EPSS moved — → 0%
    epss
  • 30 SEP 15:17Z
    In JetBrains TeamCity before 2026.2, 2026.1.4, 2025.11.8 administrator account takeover was possible via password reset
    cvelistv5