CVE-2026-31048

EUVD-2026-22059
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.
Code Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 26%
Common Weakness Enumeration
References
https://github.com/Sif-0x01/security-advisories/security/advisories/GHSA-7625-w9h5-83rv
https://github.com/irmen/Pyro3/blob/master/Pyro/protocol.py#L672-L711
https://github.com/irmen/Pyro3/blob/master/docs/9-security.html#L341-L346