CVE-2026-31048

An issue in the <code>pickle</code> protocol of Pyro v3.x allows attackers to execute arbitrary code via supplying a crafted pickled string message

Critical · published April 13, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
57.4
In the wild
Unconfirmed
What it is

An issue in the <code>pickle</code> protocol of Pyro v3.x allows attackers to execute arbitrary code via supplying a crafted pickled string message.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00838 · 57.4th percentile
Published
2026-04-13T00:00Z
EPSS history
Timeline
  • 13 APR 00:00Z
    An issue in the <code>pickle</code> protocol of Pyro v3.x allows attackers to execute arbitrary code via supplying a crafted pickled string message
    cvelistv5