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CVE-2026-22612— Fickling vulnerable to detection bypass due to "builtins" blindness

Quick assessment

Affected
trailofbits fickling
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Fickling是Trail of Bits开源的一个Python的反编译器和静态分析器。 Fickling 0.1.7之前版本存在代码问题漏洞，该漏洞源于对builtins模块存在检测盲区，可能导致检测绕过。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.32% · P23

Possible ATT&CK Techniques 1 AI

T1620 · Reflective Code Loading
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I. Basic Information for CVE-2026-22612

Vulnerability Information
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Vulnerability Title
Fickling vulnerable to detection bypass due to "builtins" blindness
Source: CVE Program / CVE List V5
Vulnerability Description
Fickling is a Python pickling decompiler and static analyzer. Prior to version 0.1.7, Fickling is vulnerable to detection bypass due to "builtins" blindness. This issue has been patched in version 0.1.7.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
Fickling 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Fickling是Trail of Bits开源的一个Python的反编译器和静态分析器。 Fickling 0.1.7之前版本存在代码问题漏洞，该漏洞源于对builtins模块存在检测盲区，可能导致检测绕过。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
trailofbits fickling < 0.1.7 -

II. Public POCs for CVE-2026-22612

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III. Intelligence Information for CVE-2026-22612

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Patches & Fixes for CVE-2026-22612 (1)

Same Patch Batch · trailofbits · 2026-01-10 · 5 CVEs total

CVE-2026-22607 Fickling Blocklist Bypass: cProfile.run()
CVE-2026-22608 Fickling vulnerable to use of ctypes and pydoc gadget chain to bypass detection
CVE-2026-22609 Fickling has Static Analysis Bypass via Incomplete Dangerous Module Blocklist
CVE-2026-22606 Fickling has a bypass via runpy.run_path() and runpy.run_module()

IV. Related Vulnerabilities

Same product: fickling
Same vendor: trailofbits
Same weakness: CWE-502

V. Comments for CVE-2026-22612

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