PT-2026-55671 · Picklescan · Picklescan

Fredericdt · Published 2026-07-04 · Updated 2026-07-04 · CVE-2025-71356

Mitre

CVSS v3.1

8.1

High

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

picklescan before 0.0.28 fails to detect malicious torch.fx.experimental.symbolic shapes.ShapeEnv.evaluate guards expression function calls in pickle files. Attackers can embed undetected code in pickle files that executes remote code when loaded by victims.

Fix

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2025-71356

Affected Products

Picklescan

References · 3

• https://github.com/mmaitre314/picklescan/security/advisories/GHSA-f4x7-rfwp-v3xw · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-71356 · Security Note
• https://vulncheck.com/advisories/picklescan-arbitrary-code-execution-via-torch-fx-experimental-symbolic-shapes-shapeenv-evaluate-guards-expression · Note