CVE-2026-31048CRITICAL 9.8EPSS p42.6%

CVE-2026-31048CVE-2026-31048

Description

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.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.57% probability of exploitation · percentile 42.6% · 2026-06-18T12:00:27Z
Published2026-04-13
Last modified2026-04-27

Underlying weaknesses· 1

CWE-94

References

  1. https://github.com/Sif-0x01/security-advisories/security/advisories/GHSA-7625-w9h5-83rv
  2. https://github.com/irmen/Pyro3/blob/master/Pyro/protocol.py#L672-L711
  3. https://github.com/irmen/Pyro3/blob/master/docs/9-security.html#L341-L346

1

TypeTargetConfidenceTier
WeaknessImproper Control of Generation of Code ('Code Injection')cwe-940%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.