What is CVE-2026-40964?

CVE-2026-40964 is a high-severity vulnerability in Cloud Foundry Foundation Cf Deployment, classified under Improper Authentication. CVSS score: 7.5/10. Published 2026-06-01.

How severe is CVE-2026-40964?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Cloud Foundry Foundation Cf Deployment

CVE-2026-40964

Authentication Bypass in cf-auth-proxy in Cloud Foundry Foundation all installations allows an unauthenticated remote attacker to gain read access to every log and metric for every application and platform component via minting a JWT that…

Vulnerability class: Broken Authentication

EPSS: 0.001 (18.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Cloud Foundry Foundation Cf Deployment — versions 0
Cloud Foundry Foundation Log-cache_release — versions 0

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

security@vmware.com

Frequently asked questions

What is CVE-2026-40964?: CVE-2026-40964 is a high-severity vulnerability in Cloud Foundry Foundation Cf Deployment, classified under Improper Authentication. CVSS score: 7.5/10. Published 2026-06-01.
How severe is CVE-2026-40964?: High severity. CVSS v3 base score is 7.5 out of 10.