CVE-2025-6279

MEDIUM

Upsonic <0.55.6 - Deserialization

Title source: llm

Description

A vulnerability, which was classified as critical, has been found in Upsonic up to 0.55.6. This issue affects the function cloudpickle.loads of the file /tools/add_tool of the component Pickle Handler. The manipulation leads to deserialization. The exploit has been disclosed to the public and may be used.

Scores

CVSS v3 5.5
EPSS 0.0007
EPSS Percentile 22.0%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Classification

CWE
CWE-502 CWE-20
Status published

Affected Products (2)

upsonic/upsonic < 0.55.6
pypi/upsonic < 0.56.0PyPI

Timeline

Published Jun 19, 2025
Tracked Since Feb 18, 2026