PT-2026-2232 · Fickling · Fickling

0X-Apollyon · CVE-2026-22612 · Published 2026-01-09 · Updated 2026-07-07

Positive Technologies (AI Summary)

CVSS v4.0

9.3

Critical

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions Fickling versions prior to 0.1.7

Description Fickling, a Python pickling decompiler and static analyzer, is susceptible to a detection bypass due to a "builtins" blindness issue. This allows for potential circumvention of security measures.

Recommendations Upgrade to version 0.1.7 or later to address this issue.

Exploit

Fix

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2026-22612

GHSA-H4RM-MM56-XF63

PYSEC-2026-1370

Affected Products

Fickling

References · 17

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/22xxx/CVE-2026-22612.json · Exploit
• 🔥 https://github.com/trailofbits/fickling/security/advisories/GHSA-h4rm-mm56-xf63 · Exploit
• https://github.com/trailofbits/fickling/commit/9f309ab834797f280cb5143a2f6f987579fa7cdf · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-22612 · Security Note
• https://osv.dev/vulnerability/GHSA-h4rm-mm56-xf63 · Vendor Advisory
• https://osv.dev/vulnerability/PYSEC-2026-1370 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-22612 · Vendor Advisory
• https://github.com/trailofbits/fickling/releases/tag/v0.1.7 · Note
• https://github.com/trailofbits/fickling/blob/977b0769c13537cd96549c12bb537f05464cf09c/test/test_bypasses.py#L349 · Note
• https://github.com/trailofbits/fickling · Note
• https://github.com/trailofbits/fickling/pull/195 · Note
• https://twitter.com/pulsepatchio/status/2010358125485023402 · Twitter Post
• https://pypi.org/project/fickling · Note
• https://github.com/advisories/GHSA-h4rm-mm56-xf63 · Note
• https://t.me/CVEtracker/41906 · Telegram Post