CVEvulnerability

CVE-2026-34824

7.5 HIGH Published 2026-04-03 Modified 2026-07-24 Official page ↗
Status
Analyzed
Published
2026-04-03
Last modified
2026-07-24
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-125, CWE-770

Description

Mesop is a Python-based UI framework that allows users to build web applications. From version 1.2.3 to before version 1.2.5, an uncontrolled resource consumption vulnerability exists in the WebSocket implementation of the Mesop framework. An unauthenticated attacker can send a rapid succession of WebSocket messages, forcing the server to spawn an unbounded number of operating system threads. This leads to thread exhaustion and Out of Memory (OOM) errors, causing a complete Denial of Service (DoS) for any application built on the framework. This issue has been patched in version 1.2.5.

Affected configurations

• mesop-dev mesop (>= 1.2.3 < 1.2.5)

Related

Weakness · CWE (2)

  • CWE-125 Out-of-bounds Read weakness
  • CWE-770 Allocation of Resources Without Limits or Throttling weakness

References