CVE-2026-56304

MEDIUM SEVERITY

CVSS Score & Metrics

Base Score

6.5 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L                                    

Vulnerability 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.

Vulnerability Details

Published Date

June 20, 2026

Last Modified

June 20, 2026

CWE ID

CWE-502

Source

NVD

Vendor

picklescan

Product

picklescan

External References

https://github.com/mmaitre314/picklescan/security/advisories/GHSA-m7j5-r2p5-c39r
https://www.vulncheck.com/advisories/picklescan-arbitrary-file-creation-via-logging-filehandler-deserialization

CVE-2026-56304

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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