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Vulnerability record · CVE-2026-22612 · published 10 January 2026

CVE-2026-22612: Trailofbits fickling deserialization of untrusted data vulnerability

Trailofbits · Fickling

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.

8.9 CVSS 4.0 High EPSS 0.31% · top 78.2% CWE-502 · Deserialization of untrusted data
8.9CVSS 4.0 base score
0.31%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

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.

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/trailofbits/fickling/commit/9f309ab834797f280cb5143a2f6f987579fa7cdf Patch
https://github.com/trailofbits/fickling/releases/tag/v0.1.7 Release Notes
https://github.com/trailofbits/fickling/security/advisories/GHSA-h4rm-mm56-xf63 Vendor Advisory
https://github.com/trailofbits/fickling/security/advisories/GHSA-h4rm-mm56-xf63 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-22612), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.