CVE-2026-40964

Summary

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)

Affected Software

VendorProductVersion RangeStatus
Cloud Foundry Foundationlog-cache_release2.7.0 <= 3.2.6affected
Cloud Foundry FoundationCF Deployment12.44.0 <= 55.2.0affected

Weaknesses

  • CWE-287: CWE-287: Improper Authentication

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References