Paper/Archive/CVE-2026-31048

CVE-2026-31048

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

EPSS 0.6%CVSS 9.8

critical.is priorityof 100

39

CVSS 9.8 (ADP)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 47.1.471 × 209.4 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource

n/an/a–CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

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