TI-2026-29615 Aliases CVE-2026-40964 GHSA-9cjf-w9mw-93r3

Improper authentication in Cloud Foundry Foundation log-cache_release

LOW 39CWE-287Published 2026-06-01 · Updated 2026-06-11

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-287.

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)

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00393 33rd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Cloud Foundry Foundation	log-cache_release	2.7.0 – 3.2.6	—	No fix listed	CNA
Cloud Foundry Foundation	CF Deployment	12.44.0 – 55.2.0	—	No fix listed	CNA

log-cache_release VendorCloud Foundry Foundation Affected 2.7.0 – 3.2.6 Fixed in — No fix listed CNA
CF Deployment VendorCloud Foundry Foundation Affected 12.44.0 – 55.2.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-40964
2026-10-03 Alias added: GHSA-9cjf-w9mw-93r3
2026-10-19 EPSS moved to the 50th–90th percentile
2026-10-25 EPSS moved to the below the 50th percentile
2026-10-25 Priority changed: MEDIUM → LOW

References

Other 1

https://www.cloudfoundry.org/blog/cve-2026-40964-read-access-to-cf-logs/

TI-2026-29616 Information disclosure in Cloud Foundry Foundation uaa_release CVSS 4.0CRITICAL 10.0
TI-2026-35291 Federated OIDC Users Can Bypass externalGroupsWhitelist to Gain uaa.admin CVSS 4.0CRITICAL 9.2
TI-2026-35283 Incorrect Permission Assignment Allows Local Privilege Escalation to SYSTEM via Executable Overwrite CVSS 4.0HIGH 8.5
TI-2026-35280 CVE-2026-47827 – BOSH CLI Powershell Injection CVSS 3.1HIGH 7.5
TI-2026-29662 OS command injection in Cloud Foundry Foundation BOSH CVSS 4.0HIGH 8.7
TI-2026-29661 OS command injection in Cloud Foundry Foundation BOSH Director CVSS 4.0HIGH 8.7

See all 12 →

Sources

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