CVE-2026-31048

State: Published
Severity: 9.8 Critical
Published: Apr 13, 2026
Updated: Apr 15, 2026
Reserved: Mar 9, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-94 Improper Control of Generation of Code ('Code Injection')

Affected Products

Product	Versions
n/an/a	n/aAffected

References

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
https://github.com/Sif-0x01/security-advisories/security/advisories/GHSA-7625-w9h5-83rv

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