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VULNERABILITIES

CVE-2026-56304 Details

Description

picklescan before 1.0.1 contains an unsafe pickle deserialization vulnerability allowing unauthenticated attackers to create arbitrary zero-byte files via logging.FileHandler class instantiation. Attackers can exploit this by crafting malicious pickle payloads to bypass RCE blocklists and create lock files or other filesystem artifacts, potentially causing denial of service or application disruption.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-m7j5-r2p5-c39r CISA-ADPExploitVendor Advisory
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-m7j5-r2p5-c39r [email protected]ExploitVendor Advisory
https://www.vulncheck.com/advisories/picklescan-arbitrary-file-creation-via-logging-filehandler-deserialization [email protected]Third Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-502Deserialization of Untrusted Data[email protected]

Affected Products

ProductVersions
mmaitre314 picklescan
< 1.0.1

CPE

  • cpe:2.3:a:mmaitre314:picklescan:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-56304
NVD Published Date:
Jun 20, 2026
NVD Last Modified:
Jun 24, 2026
Source:
[email protected]