What is CVE-2026-24178?

CVE-2026-24178 is a critical-severity vulnerability in Apple macOS, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 9.8/10. Published 2026-04-28.

How severe is CVE-2026-24178?

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

Auth bypass in Apple macOS

CVE-2026-24178

NVIDIA NVFlare Dashboard contains a vulnerability in the user management and authentication system where an unauthenticated attacker may cause authorization bypass through user-controlled key. A successful exploit of this vulnerability may lead to privilege escalation, data tampering, information disclosure, code execution, and denial of service.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2026-04-28 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.006 (45.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Apple macOS
Linux Kernel
NVIDIA Flare Sdk — versions All versions prior to 2.7.2
NVIDIA Nvflare

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

nvd.nist.gov/vuln/detail/CVE-2026-24178 (US Government Resource)
nvidia.custhelp.com/app/answers/detail/a_id/5819 (Vendor Advisory)
www.cve.org/CVERecord (Third Party Advisory)

Frequently asked questions

What is CVE-2026-24178?: CVE-2026-24178 is a critical-severity vulnerability in Apple macOS, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 9.8/10. Published 2026-04-28.
How severe is CVE-2026-24178?: Critical severity. CVSS v3 base score is 9.8 out of 10.