CVE-2026-56304: MMAITRE314 Picklescan

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

• MMAITRE314 Picklescan: before 1.0.1 (fixed in 1.0.1)

Published 2026-06-20. Last modified 2026-06-24.