CVE-2025-71361 PUBLISHED

picklescan - Remote Code Execution via Undetected idlelib.calltip.Calltip.fetch_tip

Assigner: VulnCheck
Reserved: 20.06.2026 Published: 24.06.2026 Updated: 24.06.2026

picklescan before 0.0.29 fails to detect malicious idlelib.calltip.Calltip.fetch_tip calls in pickle files, allowing remote code execution. Attackers can embed undetected payloads in pickle files that execute arbitrary code when loaded via 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 0.0.29 (excl.) Version 0.0.29 is unaffected

Credits

FredericDT reporter

References

Problem Types

Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection') CWE