CVE-2026-31048
CriticalPublished
An issue in the pickle protocol of Pyro v3.x allows attackers to execute arbitrary code via supplying a crafted pickled string message.
- Published
- Apr 13, 2026
- Updated
- Apr 15, 2026
- Assigning CNA
- mitre
- Evidence observed
- Aug 25, 2026
Primary CVSS
9.8/ 10Critical
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H0.6%
Low · next 30 days
- Percentile
- 45.6%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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.
Sources
1- security-advisoriesInformational
Security advisory detailing CVE-2026-31048, providing vulnerability information and mitigation guidance.
Responsible use
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