What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-10 · updated 2026-06-17
• Weakness: CWE-502

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.

Affected products

• trailofbits fickling: before 0.1.7 — fixed in 0.1.7

How to fix

Upgrade to a fixed version: trailofbits fickling 0.1.7. Check the vendor advisory for mitigations.

References

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

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