What is CVE-2026-22612?

CVE-2026-22612 is a high-severity vulnerability in Trailofbits Fickling, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2026-01-10.

How severe is CVE-2026-22612?

High severity. CVSS v3 base score is 7.8 out of 10.

Deserialization in Trailofbits Fickling

CVE-2026-22612

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.

Vulnerability class: Insecure Deserialization

EPSS: 0.003 (17.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Trailofbits Fickling — versions < 0.1.7

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2026-22612?: CVE-2026-22612 is a high-severity vulnerability in Trailofbits Fickling, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2026-01-10.
How severe is CVE-2026-22612?: High severity. CVSS v3 base score is 7.8 out of 10.