CVE-2026-56304

MEDIUM
MEDIUM Priority: 0.03 BB Relevance: 74/100
Published: 2026-06-20 Modified: 2026-11-08 First seen: 2026-11-08 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
AT: None
VC: None
VI: Low
VA: Low

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.

Affected Software (1)

VendorProductVersion
picklescan picklescan 0 < 1.0.1

Bug Bounty Relevance

74 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

6.9 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

EPSS — Exploitation Probability

0.44%
Raw Score 0.004430
Percentile 39.0%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00443
2026-11-12
0.00443
2026-11-10
0.00443
2026-11-09
0.00443
2026-11-08
0.00443

Intelligence Sources

mitre ref →