CVE-2026-34824
HIGHCVSS v3
7.5
HIGH
EPSS Score
—
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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 (Do
Technical Details
- CVSS v3 Vector
- 3.1
- Published
- 4/3/2026
- Last Modified
- 4/7/2026
Frequently Asked Questions
What is CVE-2026-34824?
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 (Do
Is CVE-2026-34824 actively exploited?
Active exploitation of CVE-2026-34824 has not been confirmed. The EPSS score is N/A%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2026-34824?
CVE-2026-34824 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string 3.1.
Is CVE-2026-34824 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.