CVE-2026-53872

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 v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

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

Configurations

No configuration.

History

17 Jun 2026, 20:21

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-17 17:17

Updated : 2026-06-17 20:21

NVD link : CVE-2026-53872

Mitre link : CVE-2026-53872

CVE.ORG link : CVE-2026-53872

JSON object : View

Products Affected

No product.

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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