CVE-2026-40964 – Cloud Foundry cf-auth-proxy Authentication Bypass

CVE ID :CVE-2026-40964

Published : June 1, 2026, 10:16 p.m. | 16 minutes ago

Description :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 the cf-auth-proxy accepts as a valid logs.admin token.

Affected versions:
– log-cache_release: all versions through v3.2.6 (inclusive); fixed in v3.2.7 or later
– CF Deployment: all versions through v55.?.0 (inclusive); fixed in v55.?.0 or later (bundles log-cache_release v3.2.7)

Severity: 7.5 | HIGH

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