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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 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-c
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:cc414ba3f9d0655139464f942ea092d1d4f50a91892e4c1a9c309783fd9ae98c
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","product":"log-cache_release","vendor":"Cloud Foundry Foundation","versions":[{"lessThanOrEqual":"3.2.6","status":"affected","version":"2.7.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:af9837feab105d89ff579910f34f4f100b6723010868bb2389c8246d701deb1a · sha256:6873acc2bd62d1ab… · /containers/cna/affected/0

{"defaultStatus":"unaffected","product":"CF Deployment","vendor":"Cloud Foundry Foundation","versions":[{"lessThanOrEqual":"55.2.0","status":"affected","version":"12.44.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:af9837feab105d89ff579910f34f4f100b6723010868bb2389c8246d701deb1a · sha256:6873acc2bd62d1ab… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"log-cache_release","vendor":"Cloud Foundry Foundation","versions":[{"lessThanOrEqual":"3.2.6","status":"affected","version":"2.7.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:af9837feab105d89ff579910f34f4f100b6723010868bb2389c8246d701deb1a · sha256:6873acc2bd62d1ab… · /containers/cna/affected/0
{"defaultStatus":"unaffected","product":"CF Deployment","vendor":"Cloud Foundry Foundation","versions":[{"lessThanOrEqual":"55.2.0","status":"affected","version":"12.44.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:af9837feab105d89ff579910f34f4f100b6723010868bb2389c8246d701deb1a · sha256:6873acc2bd62d1ab… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:af9837feab105d89ff579910f34f4f100b6723010868bb2389c8246d701deb1a · sha256:6873acc2bd62d1ab… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-287","description":"CWE-287: Improper Authentication","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:af9837feab105d89ff579910f34f4f100b6723010868bb2389c8246d701deb1a · sha256:6873acc2bd62d1ab… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"url":"https://www.cloudfoundry.org/blog/cve-2026-40964-read-access-to-cf-logs/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:af9837feab105d89ff579910f34f4f100b6723010868bb2389c8246d701deb1a · sha256:6873acc2bd62d1ab… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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