What is CVE-2026-31226?

CVE-2026-31226 is a critical-severity vulnerability in N/a, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-05-12.

How severe is CVE-2026-31226?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in N/a

CVE-2026-31226

The TinyZero project thru commit 6652a63c57fa7e5ccde3fc9c598c7176ff15b839 (2025-58-24) contains a critical command injection vulnerability (CWE-78) in its HDFS file operation utilities. The vulnerability arises from the unsafe construction…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.007 (71.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

cve@mitre.org
cve@mitre.org

Frequently asked questions

What is CVE-2026-31226?: CVE-2026-31226 is a critical-severity vulnerability in N/a, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-05-12.
How severe is CVE-2026-31226?: Critical severity. CVSS v3 base score is 9.8 out of 10.