CVE-2026-22612 PUBLISHED

Fickling vulnerable to detection bypass due to "builtins" blindness

Assigner: GitHub_M
Reserved: 07.01.2026 Published: 10.01.2026 Updated: 12.01.2026

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.

Metrics

CVSS 4.0

CVSS 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
CVSS Score: 8.9

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	trailofbits
Product	fickling
Versions	Version < 0.1.7 is affected

References

https://github.com/trailofbits/fickling/security/advisories/GHSA-h4rm-mm56-xf63
https://github.com/trailofbits/fickling/commit/9f309ab834797f280cb5143a2f6f987579fa7cdf
https://github.com/trailofbits/fickling/releases/tag/v0.1.7

Problem Types

CWE-502: Deserialization of Untrusted Data CWE