Deserialization in Trailofbits Fickling

CVE-2026-14534

Trail of Bits fickling versions up to and including 0.1.10 do not include the Python standard library modules _posixsubprocess, site, and atexit in the UNSAFE_IMPORTS denylist (fickle.py). Because these modules are absent from the denylist…

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-14534?
CVE-2026-14534 is a high-severity vulnerability in Trailofbits Fickling, classified under Incomplete List of Disallowed Inputs. CVSS score: 8.8/10. Published 2026-07-04.
How severe is CVE-2026-14534?
High severity. CVSS v3 base score is 8.8 out of 10.