What is CVE-2026-44450?

CVE-2026-44450 is a critical-severity vulnerability in Prolix-oc Lumiverse, classified under Argument Injection. CVSS score: 9.9/10. Published 2026-05-26.

How severe is CVE-2026-44450?

Critical severity. CVSS v3 base score is 9.9 out of 10.

Vulnerability in Prolix-oc Lumiverse

CVE-2026-44450

Lumiverse is a full-featured AI chat application. Prior to 0.9.7, the MCP server creation endpoint validates the command field against an allowlist of binary names but forwards the args array to the child process without any validation. Ev…

EPSS: 0.001 (23.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Prolix-oc Lumiverse — versions < 0.9.7

Weakness classification (CWE)

CWE-88 — Argument Injection

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-44450?: CVE-2026-44450 is a critical-severity vulnerability in Prolix-oc Lumiverse, classified under Argument Injection. CVSS score: 9.9/10. Published 2026-05-26.
How severe is CVE-2026-44450?: Critical severity. CVSS v3 base score is 9.9 out of 10.