CVE-2026-53872

HIGH
MEDIUM Priority: 0.04 BB Relevance: 78/100
Published: 2026-06-17 Modified: 2026-11-08 First seen: 2026-11-08 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact

CVSS Vector Breakdown

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

Description

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.

Affected Software (1)

VendorProductVersion
picklescan picklescan 0 < 0.0.35

Bug Bounty Relevance

78 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

8.7 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

EPSS — Exploitation Probability

0.51%
Raw Score 0.005090
Percentile 44.0%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00509
2026-11-12
0.00509
2026-11-10
0.00509
2026-11-09
0.00509
2026-11-08
0.00509

Intelligence Sources

mitre ref →