CVE-2023-46667

Fleet Server vulnerability CVE-2023-46667 affects Fleet Server 8.10.0–8.10.2 where enrolment tokens are written in plaintext to log files, potentially enabling unauthorized agent enrolment and access to secrets (Elasticsearch and third‑party services) or arbitrary events. Exploitation is not desc...

CVE-2026-56150

MODE C: CVE-2026-56150 affects Elastic Fleet Server via Allocation of Resources Without Limits or Throttling (upload endpoint memory exhaustion). Multiple connected sources describe the vulnerability in Fleet Server's internal API packages and uploader, enabling an attacker to exhaust RAM and pot...

CVE-2026-72657

The vulnerability CVE-2026-72657 affects Elastic Fleet Server and allows an Authorization Bypass through a user-controlled key, enabling information disclosure via manipulated user-controlled variables. Root cause: a client-supplied value used for authorization was persisted without server-side v...

CVE-2026-78587

Fleet Server (Elastic) contains an Incorrect Authorization (CWE-863) flaw where session ownership is not correctly verified during multi-part data upload operations. This allows any authenticated agent to interfere with active upload sessions belonging to other enrolled agents, resulting in a den...