CVE-2025-71356CWE-502insecure-deserialization

CVE-2025-71356

High · published July 4, 2026

CVSS v3.1
8.1
EPSS
0%
Percentile
30.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00380 · 30.8th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-07-04T06:16Z
References (3)
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-f4x7-rfwp-v3xw · [email protected]https://www.vulncheck.com/advisories/picklescan-arbitrary-code-execution-via-torch-fx-experimental-symbolic-shapes-shapeenv-evaluate-guards-expression · [email protected]https://github.com/mmaitre314/picklescan/security/advisories/GHSA-f4x7-rfwp-v3xw · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 04 JUL 01:23Z
    picklescan - Arbitrary Code Execution via torch.fx.experimental.symbolic_shapes.ShapeEnv.evaluate_guards_expression
    cvelistv5