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CVE-2026-42998

An issue was discovered in OpenStack Keystone before 29.0.2. The Keystone application credential authentication plugin does not verify that the user supplied in the authentication request matches the owner of the application credential. An attacker can authenticate with their own application credential ID and secret while specifying a different user's name and domain in the request body. Keystone issues a token attributed to the victim user. The impersonated token is project-scoped and carries t
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b0859f09124117c6fcb09dfd79ba7adc33f1b98e010343f6aa436885c75dc33c
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"Keystone","vendor":"OpenStack","versions":[{"lessThan":"27.0.2","status":"affected","version":"14.0.0","versionType":"semver"},{"lessThan":"28.0.2","status":"affected","version":"28.0.0","versionType":"semver"},{"lessThan":"29.0.2","status":"affected","version":"29.0.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3be940d9411e14d12f6a48d5504543c1c7fcf9a40b6ea00ebf168ae0bfcb54c5 · sha256:a87dfe4d1c88bc8f… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":6,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3be940d9411e14d12f6a48d5504543c1c7fcf9a40b6ea00ebf168ae0bfcb54c5 · sha256:a87dfe4d1c88bc8f… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-863","description":"CWE-863 Incorrect Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3be940d9411e14d12f6a48d5504543c1c7fcf9a40b6ea00ebf168ae0bfcb54c5 · sha256:a87dfe4d1c88bc8f… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"url":"https://bugs.launchpad.net/keystone/+bug/2148477"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3be940d9411e14d12f6a48d5504543c1c7fcf9a40b6ea00ebf168ae0bfcb54c5 · sha256:a87dfe4d1c88bc8f… · /containers/cna/references/0
{"url":"https://security.openstack.org/ossa/OSSA-2026-015.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3be940d9411e14d12f6a48d5504543c1c7fcf9a40b6ea00ebf168ae0bfcb54c5 · sha256:a87dfe4d1c88bc8f… · /containers/cna/references/1

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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