CVE-2026-111094CWE-502insecure-deserialization

CVE-2026-111094

High · published October 15, 2026

CVSS v3.1
8.1
EPSS
0%
Percentile
31.2
In the wild
Unconfirmed
What it is

In JetBrains TeamCity before 2026.2,

2026.1.4,

2025.11.8 remote code execution via a whitelist bypass in the build messages protocol was possible

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
0.00383 · 31.2th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-10-15T20:17Z
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
  • 17 OCT 03:28Z
    EPSS moved — → 0%
    epss
  • 15 OCT 15:29Z
    In JetBrains TeamCity before 2026.2, 2026.1.4, 2025.11.8 remote code execution via a whitelist bypass in the build messages protocol was possible
    cvelistv5
  • 15 OCT 15:29Z
    In JetBrains TeamCity before 2026.2, 2026.1.4, 2025.11.8 remote code execution via a whitelist bypass in the build messages protocol was possible
    cvelistv5