CVE-2026-22612CWE-502

Fickling vulnerable to detection bypass due to "builtins" blindness

High · published January 10, 2026

CVSS v4.0
8.9
EPSS
0%
Percentile
23.8
In the wild
Unconfirmed
What it is

⚡ A sneaky flaw in Fickling makes it blind to built-in Python functions, allowing potential detection bypasses! 🔍 Think of it like a security guard who can't see the staff entrance — everything behind that door remains unchecked and open for exploitation. This oversight can let harmful code slip right past without a proper inspection! An attacker could exploit this oversight to sneak malicious payloads into your environment, rendering your security efforts useless. Imagine someone slipping through a back door while your security team is busy checking IDs at the front! This could lead to unauthorized code execution or data breaches, posing a significant risk to your applications.

Put simply

Think of it like a security guard who can't see the staff entrance — everything behind that door remains unchecked and open for exploitation. This oversight can let harmful code slip right past without a proper inspection! This detection bypass vulnerability in Fickling, prior to version 0.1.7, enables attackers to exploit the system's inability to recognize built-in functions during the pickling process. Essentially, the system lacks awareness of certain functions that could be misused, creating a loophole for potential exploits.

What to do

An attacker could exploit this oversight to sneak malicious payloads into your environment, rendering your security efforts useless. Imagine someone slipping through a back door while your security team is busy checking IDs at the front! This could lead to unauthorized code execution or data breaches, posing a significant risk to your applications. Upgrade Fickling to version 0.1.7 immediately to close this vulnerability and ensure that built-ins are appropriately checked during analysis. Additionally, review your usage of Fickling in your projects to understand how this might affect your security posture and consider conducting a thorough security audit. You've got this! By patching Fickling, you'll keep your environment secure and fortified. 🛡️

The record
Technical detail
CVSS v4.0
8.9 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
EPSS
0.00321 · 23.8th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-01-10T01:35Z
EPSS history
Timeline
  • 10 JAN 01:35Z
    Fickling vulnerable to detection bypass due to "builtins" blindness
    cvelistv5