CVE-2025-67748

7.8 HIGH
Published: December 16, 2025 Modified: January 02, 2026
View on NVD

Description

Fickling is a Python pickling decompiler and static analyzer. Versions prior to 0.1.6 had a bypass caused by `pty` missing from the block list of unsafe module imports. This led to unsafe pickles based on `pty.spawn()` being incorrectly flagged as `LIKELY_SAFE`, and was fixed in version 0.1.6. This impacted any user or system that used Fickling to vet pickle files for security issues.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/trailofbits/fickling/pull/108
Source: security-advisories@github.com
Issue Tracking Patch
https://github.com/trailofbits/fickling/pull/187
Source: security-advisories@github.com
Issue Tracking Patch
https://github.com/trailofbits/fickling/security/advisories/GHSA-r7v6-mfhq-g3m2
Source: security-advisories@github.com
Exploit Vendor Advisory

3 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.8 / 10.0
EPSS (Exploit Probability)
0.0%
9th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

trailofbits