CVE-2026-22609— Fickling has Static Analysis Bypass via Incomplete Dangerous Module Blocklist
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I. Basic Information for CVE-2026-22609
Vulnerability Information
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Vulnerability Title
Fickling has Static Analysis Bypass via Incomplete Dangerous Module Blocklist
Source: NVD (National Vulnerability Database)
Vulnerability Description
Fickling is a Python pickling decompiler and static analyzer. Prior to version 0.1.7, the unsafe_imports() method in Fickling's static analyzer fails to flag several high-risk Python modules that can be used for arbitrary code execution. Malicious pickles importing these modules will not be detected as unsafe, allowing attackers to bypass Fickling's primary static safety checks. This issue has been patched in version 0.1.7.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
不完整的黑名单
Source: NVD (National Vulnerability Database)
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，该漏洞源于静态分析器未能标记高风险模块，可能导致绕过安全检查并执行任意代码。
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-2026-22609
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · trailofbits · 2026-01-10 · 5 CVEs total
| CVE-2026-22607 | Fickling Blocklist Bypass: cProfile.run() | |
| CVE-2026-22612 | Fickling vulnerable to detection bypass due to "builtins" blindness | |
| CVE-2026-22608 | Fickling vulnerable to use of ctypes and pydoc gadget chain to bypass detection | |
| CVE-2026-22606 | Fickling has a bypass via runpy.run_path() and runpy.run_module() |
IV. Related Vulnerabilities
Same product: fickling
- CVE-2026-22612
Fickling vulnerable to detection bypass due to "builtins" bl - CVE-2026-22608
Fickling vulnerable to use of ctypes and pydoc gadget chain - CVE-2026-22607
Fickling Blocklist Bypass: cProfile.run() - CVE-2026-22606
Fickling has a bypass via runpy.run_path() and runpy.run_mod - CVE-2025-67748
Fickling has Code Injection vulnerability via pty.spawn()
Same vendor: trailofbits
- CVE-2026-33753
Improper Certificate Validation in rfc3161-client - CVE-2026-22612
Fickling vulnerable to detection bypass due to "builtins" bl - CVE-2026-22608
Fickling vulnerable to use of ctypes and pydoc gadget chain - CVE-2026-22607
Fickling Blocklist Bypass: cProfile.run() - CVE-2026-22606
Fickling has a bypass via runpy.run_path() and runpy.run_mod
Same weakness: CWE-184
- CVE-2026-44115
OpenClaw < 2026.4.22 - Shell Expansion Bypass in Unquoted He - CVE-2026-44114
OpenClaw < 2026.4.20 - Environment Variable Namespace Collis - CVE-2026-43584
OpenClaw < 2026.4.10 - Insufficient Environment Variable Den - CVE-2026-43578
OpenClaw 2026.3.31 < 2026.4.10 - Privilege Escalation via Mi - CVE-2026-41934
Vvveb < 1.0.8.2 Authenticated RCE via Code Editor
V. Comments for CVE-2026-22609
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