CVE-2025-6279CWE-20CWE-502

Upsonic Pickle add_tool cloudpickle.loads deserialization

Medium · published June 19, 2025

CVSS v4.0
5.1
EPSS
1%
Percentile
46.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.1 · MEDIUM
Vector
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00569 · 46.4th percentile
Weaknesses
CWE-20 · Improper Input Validation; CWE-502 · Deserialization of Untrusted Data
Published
2025-06-19T21:00Z
EPSS history
Timeline
  • 19 JUN 21:00Z
    Upsonic Pickle add_tool cloudpickle.loads deserialization
    cvelistv5