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Deserialization of Untrusted Data

CVE-2025-6279

Severity Low
Score 2/10

Summary

A vulnerability, which was classified as critical, has been found in Upsonic prior to 0.56.0. 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.

  • LOW
  • ADJACENT_NETWORK
  • HIGH
  • UNCHANGED
  • NONE
  • LOW
  • HIGH
  • HIGH

CWE-502 - Deserialization of Untrusted Data

Deserialization of untrusted data vulnerabilities enable an attacker to replace or manipulate a serialized object, replacing it with malicious data. When the object is deserialized at the victim's end the malicious data is able to compromise the victim’s system. The exploit can be devastating, its impact may range from privilege escalation, broken access control, or denial of service attacks to allowing unauthorized access to the application's internal code and logic which can compromise the entire system.

Advisory Timeline

  • Published