6.5
Medium
CVE-2026-72676 Improper Control of Generation of Code ('Code Injection') (CWE-94) in Fleet Server can lead to the execution of…
Description
Improper Control of Generation of Code ('Code Injection') (CWE-94) in Fleet Server can lead to the execution of attacker-supplied script content via Code Injection (CAPEC-242). Kibana accepted an identifier for an output configuration without restricting it to safe characters. That identifier is later placed into a server-side script that Fleet Server builds as part of routine agent policy processing, so script syntax embedded in the identifier became part of the script that was executed rather than being treated as data.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Fleet Server | 9.5.0 | No fix stated |
| Fleet Server 9.0 | 9.0.0 → 9.4.4 | No fix stated |
| Fleet Server 8.5 | 8.5.0 → 8.19.19 | No fix stated |
Other CVEs of Fleet Server
The 7 CVEs of Fleet Server →
CVE-2026-78587
Incorrect Authorization (CWE-863) in Fleet Server can lead to a denial of service of agent upload operations via…
3.1
Low
CVE-2026-72657
Authorization Bypass Through User-Controlled Key (CWE-639) in Fleet Server can lead to information disclosure via…
6.5
Medium
CVE-2026-56150
Allocation of Resources Without Limits or Throttling (CWE-770) in Fleet Server can lead to a denial of service via…
6.5
Medium
CVE-2024-52975
An issue was identified in Fleet Server where Fleet policies that could contain sensitive information were logged on…
9.0
Critical