CVE-2026-53872
Published:June 17, 2026
Updated:August 05, 2026
picklescan before 0.0.35 contains an unsafe pickle deserialization vulnerability allowing unauthenticated attackers to read arbitrary server files by chaining io.FileIO and urllib.request.urlopen. Attackers can bypass RCE-focused blocklists to exfiltrate sensitive data like /etc/passwd to external servers.
Affected Packages
https://github.com/mmaitre314/picklescan.git (GITHUB):
Affected version(s) >=v0.0.2 <0.0.35Fix Suggestion:
Update to version 0.0.35picklescan (PYTHON):
Affected version(s) >=0.0.1 <0.0.35Fix Suggestion:
Update to version 0.0.35picklescan (PYTHON):
Affected version(s) >=0.0.1 <0.0.35Fix Suggestion:
Update to version 0.0.35Related Resources (10)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
Exploit Maturity
POC
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
EPSS
Base Score:
0.51