CVE-2026-53872

HIGH EPSS 39.5%

Published Jun 17, 20261w ago · Modified Jun 17, 20261w ago

8.7 CVSS 4.0

High

Published Jun 17, 2026 1w ago

Last Modified Jun 17, 2026 1w ago

Description

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.

CVSS Details

Base Score

8.7

Exploitability

—

Impact

—

Vector string

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope X

Threat Intelligence

EPSS Exploit Probability

39.5% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-22 Path Traversal Resource Mgmt

References 2

github.com https://github.com/mmaitre314/picklescan/security/advisories/GHSA-9726-w42j-3qjr
vulncheck.com https://www.vulncheck.com/advisories/picklescan-arbitrary-file-read-via-unsafe-pickle-deserialization

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.