CVE-2025-71375CWE-502insecure-deserialization

CVE-2025-71375

High · published July 4, 2026

CVSS v3.1
8.1
EPSS
0%
Percentile
39.0
In the wild
Unconfirmed
What it is

picklescan before 0.0.34 fails to detect the _operator.methodcaller built-in function when scanning pickle files for malicious code. Attackers can craft malicious pickle payloads using _operator.methodcaller that evade detection and execute arbitrary code when loaded by pickle.load().

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
0.00461 · 39.0th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-07-04T06:16Z
References (3)
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-955r-x9j8-7rhh · [email protected]https://www.vulncheck.com/advisories/picklescan-undetected-remote-code-execution-via-operator-methodcaller · [email protected]https://github.com/mmaitre314/picklescan/security/advisories/GHSA-955r-x9j8-7rhh · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 04 JUL 01:23Z
    picklescan - Undetected Remote Code Execution via _operator.methodcaller
    cvelistv5