RCE in Trailofbits Fickling
CVE-2025-67748
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 fl…
Vulnerability class: RCE (Remote Code Execution)
EPSS: 0.002 (14.3th 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 < 0.1.6
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (Patch, x_refsource_MISC, Issue Tracking)
Frequently asked questions
- What is CVE-2025-67748?
- CVE-2025-67748 is a high-severity vulnerability in Trailofbits Fickling, classified under Code Injection. CVSS score: 7.8/10. Published 2025-12-16.
- How severe is CVE-2025-67748?
- High severity. CVSS v3 base score is 7.8 out of 10.