CVE-2025-71375 PUBLISHED

picklescan - Undetected Remote Code Execution via _operator.methodcaller

Assigner: VulnCheck
Reserved: 20.06.2026 Published: 04.07.2026 Updated: 04.07.2026

picklescan before 0.0.34 fails to detect the _operator.methodcaller built-in function when scanning pickle files for malicious code. Attackers can craft malicious pickle payloads using _operator.methodcaller that evade detection and execute arbitrary code when loaded by pickle.load().

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS Score: 7.6

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	Present	Availability	None	Availability	None
Privileges Required	None
User Interaction	Passive

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CVSS Score: 8.1

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	Required	Availability Impact	None

CVSS 3.1

Product Status

Vendor	picklescan
Product	picklescan
Versions	Default: unaffected affected from 0 to 0.0.34 (excl.) Version 0.0.34 is unaffected

CVE-2025-71375 PUBLISHED

picklescan - Undetected Remote Code Execution via _operator.methodcaller

Metrics

Product Status

Credits

References

Problem Types