Vulnerability-Lookup

CVE-2026-40964 (GCVE-0-2026-40964)

Vulnerability from cvelistv5 – Published: 2026-06-01 21:02 – Updated: 2026-06-11 20:30

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)

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-02 13:11 UTC

CWE

CWE-287 - Improper Authentication

Assigner

vmware CNA under the mitre root

CNA scorecard C 64/100 over 228 records in the last 180 days details

References

1 reference

URL	Tags
https://www.cloudfoundry.org/blog/cve-2026-40964-…

Impacted products

2 products

Vendor	Product	Version	CPE status
Cloud Foundry Foundation	log-cache_release	Affected: 2.7.0 , ≤ 3.2.6 (custom)	guessed
Cloud Foundry Foundation	CF Deployment	Affected: 12.44.0 , ≤ 55.2.0 (custom)	guessed

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-40964

Vulnerability from fkie_nvd - Published: 2026-06-01 22:16 - Updated: 2026-07-22 18:10

Severity

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Summary

References

	URL	Tags
	security@vmware.com	https://www.cloudfoundry.org/blog/cve-2026-40964-read-access-to-cf-logs/

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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          "defaultStatus": "unaffected",
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GHSA-9CJF-W9MW-93R3

Vulnerability from github – Published: 2026-06-02 00:31 – Updated: 2026-06-02 00:31

Details

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)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Show details on source website

JSON

To clipboard

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    "github_reviewed_at": null,
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  },
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  "modified": "2026-06-02T00:31:57Z",
  "published": "2026-06-02T00:31:57Z",
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-40964 (GCVE-0-2026-40964)

FKIE_CVE-2026-40964

GHSA-9CJF-W9MW-93R3

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