CVE WatchSep 15, 2026

CVE-2026-48987

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev101, EventManager in src/pyload/core/managers/event

CVSS

6.5

Medium

EPSS

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KEV

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Exploit Today

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0-100

Published: Sep 15, 2026 · Last modified: Sep 15, 2026 · CWE-400 · CWE-401 · CWE-770

EPSS · 30d

Not enough EPSS history yet.

Technical description

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev101, EventManager in src/pyload/core/managers/event_manager.py appends a Client object to the clients list for each unique uuid submitted to the authenticated getEvents API endpoint, but get_events does not invoke the available clean method to remove inactive clients. An authenticated user can repeatedly submit unique UUID values, causing retained client objects and process memory to grow without bound even after requests stop. The resulting memory exhaustion can trigger an operating-system out-of-memory termination of pyLoad or host-wide instability and denial of service. This issue is fixed in version 0.5.0b3.dev101.

Official references

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