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CVE-2026-43000

A flaw was found in OpenStack Keystone. An attacker with a member role on a project can escalate their privileges to an administrator role. This is achieved by combining an application credential impersonation vulnerability with the misuse of Keystone trusts. The system incorrectly validates delegated roles against the victim's actual database roles instead of the requesting token, allowing the attacker to create a trust that grants them the victim's administrative privileges. This trust can the
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:551184dc805f21a00d80b6047d776c6ba8c34e950de7fa8c53964de200e41ae0
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
3

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 9 assertions

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openstack:16.2"],"defaultStatus":"affected","packageName":"openstack-keystone","product":"Red Hat OpenStack Platform 16.2","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6aea9ccafd21c6c71838a9edab0e88dfb1ffa066a435e8b506c03b1b89825263 · sha256:a4de62c76410b677… · /containers/adp/1/affected/2

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openstack:13"],"defaultStatus":"affected","packageName":"openstack-keystone","product":"Red Hat OpenStack Platform 13 (Queens)","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6aea9ccafd21c6c71838a9edab0e88dfb1ffa066a435e8b506c03b1b89825263 · sha256:a4de62c76410b677… · /containers/adp/1/affected/0

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openstack:13"],"defaultStatus":"affected","packageName":"rhosp13/openstack-keystone","product":"Red Hat OpenStack Platform 13 (Queens)","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6aea9ccafd21c6c71838a9edab0e88dfb1ffa066a435e8b506c03b1b89825263 · sha256:a4de62c76410b677… · /containers/adp/1/affected/1

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openstack:18.0"],"defaultStatus":"affected","packageName":"openstack-keystone","product":"Red Hat OpenStack Platform 18.0","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6aea9ccafd21c6c71838a9edab0e88dfb1ffa066a435e8b506c03b1b89825263 · sha256:a4de62c76410b677… · /containers/adp/1/affected/6

{"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:v2:6aea9ccafd21c6c71838a9edab0e88dfb1ffa066a435e8b506c03b1b89825263 · sha256:a4de62c76410b677… · /containers/cna/affected/0

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openstack:16.2"],"defaultStatus":"affected","packageName":"rhosp-rhel8/openstack-keystone","product":"Red Hat OpenStack Platform 16.2","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6aea9ccafd21c6c71838a9edab0e88dfb1ffa066a435e8b506c03b1b89825263 · sha256:a4de62c76410b677… · /containers/adp/1/affected/3

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openstack:18.0"],"defaultStatus":"affected","packageName":"rhoso/openstack-keystone-rhel9","product":"Red Hat OpenStack Platform 18.0","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6aea9ccafd21c6c71838a9edab0e88dfb1ffa066a435e8b506c03b1b89825263 · sha256:a4de62c76410b677… · /containers/adp/1/affected/7

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openstack:17.1"],"defaultStatus":"affected","packageName":"rhosp-rhel9/openstack-keystone","product":"Red Hat OpenStack Platform 17.1","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6aea9ccafd21c6c71838a9edab0e88dfb1ffa066a435e8b506c03b1b89825263 · sha256:a4de62c76410b677… · /containers/adp/1/affected/5

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openstack:17.1"],"defaultStatus":"affected","packageName":"openstack-keystone","product":"Red Hat OpenStack Platform 17.1","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6aea9ccafd21c6c71838a9edab0e88dfb1ffa066a435e8b506c03b1b89825263 · sha256:a4de62c76410b677… · /containers/adp/1/affected/4
cvss · 2 assertions

{"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:v2:6aea9ccafd21c6c71838a9edab0e88dfb1ffa066a435e8b506c03b1b89825263 · sha256:a4de62c76410b677… · /containers/cna/metrics/0/cvssV3_1

{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":8.4,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6aea9ccafd21c6c71838a9edab0e88dfb1ffa066a435e8b506c03b1b89825263 · sha256:a4de62c76410b677… · /containers/adp/1/metrics/1/cvssV3_1
cwe · 2 assertions

{"cweId":"CWE-863","description":"CWE-863 Incorrect Authorization","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6aea9ccafd21c6c71838a9edab0e88dfb1ffa066a435e8b506c03b1b89825263 · sha256:a4de62c76410b677… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-266","description":"Incorrect Privilege Assignment","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6aea9ccafd21c6c71838a9edab0e88dfb1ffa066a435e8b506c03b1b89825263 · sha256:a4de62c76410b677… · /containers/adp/1/problemTypes/0/descriptions/0

Affected products and versions

9 source assertions
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openstack:16.2"],"defaultStatus":"affected","packageName":"openstack-keystone","product":"Red Hat OpenStack Platform 16.2","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6aea9ccafd21c6c71838a9edab0e88dfb1ffa066a435e8b506c03b1b89825263 · sha256:a4de62c76410b677… · /containers/adp/1/affected/2
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openstack:13"],"defaultStatus":"affected","packageName":"openstack-keystone","product":"Red Hat OpenStack Platform 13 (Queens)","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6aea9ccafd21c6c71838a9edab0e88dfb1ffa066a435e8b506c03b1b89825263 · sha256:a4de62c76410b677… · /containers/adp/1/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openstack:13"],"defaultStatus":"affected","packageName":"rhosp13/openstack-keystone","product":"Red Hat OpenStack Platform 13 (Queens)","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6aea9ccafd21c6c71838a9edab0e88dfb1ffa066a435e8b506c03b1b89825263 · sha256:a4de62c76410b677… · /containers/adp/1/affected/1
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openstack:18.0"],"defaultStatus":"affected","packageName":"openstack-keystone","product":"Red Hat OpenStack Platform 18.0","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6aea9ccafd21c6c71838a9edab0e88dfb1ffa066a435e8b506c03b1b89825263 · sha256:a4de62c76410b677… · /containers/adp/1/affected/6
{"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:v2:6aea9ccafd21c6c71838a9edab0e88dfb1ffa066a435e8b506c03b1b89825263 · sha256:a4de62c76410b677… · /containers/cna/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openstack:16.2"],"defaultStatus":"affected","packageName":"rhosp-rhel8/openstack-keystone","product":"Red Hat OpenStack Platform 16.2","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6aea9ccafd21c6c71838a9edab0e88dfb1ffa066a435e8b506c03b1b89825263 · sha256:a4de62c76410b677… · /containers/adp/1/affected/3
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openstack:18.0"],"defaultStatus":"affected","packageName":"rhoso/openstack-keystone-rhel9","product":"Red Hat OpenStack Platform 18.0","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6aea9ccafd21c6c71838a9edab0e88dfb1ffa066a435e8b506c03b1b89825263 · sha256:a4de62c76410b677… · /containers/adp/1/affected/7
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openstack:17.1"],"defaultStatus":"affected","packageName":"rhosp-rhel9/openstack-keystone","product":"Red Hat OpenStack Platform 17.1","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6aea9ccafd21c6c71838a9edab0e88dfb1ffa066a435e8b506c03b1b89825263 · sha256:a4de62c76410b677… · /containers/adp/1/affected/5
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openstack:17.1"],"defaultStatus":"affected","packageName":"openstack-keystone","product":"Red Hat OpenStack Platform 17.1","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6aea9ccafd21c6c71838a9edab0e88dfb1ffa066a435e8b506c03b1b89825263 · sha256:a4de62c76410b677… · /containers/adp/1/affected/4

Provider-owned CVSS observations

2 source assertions
{"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:v2:6aea9ccafd21c6c71838a9edab0e88dfb1ffa066a435e8b506c03b1b89825263 · sha256:a4de62c76410b677… · /containers/cna/metrics/0/cvssV3_1
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":8.4,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6aea9ccafd21c6c71838a9edab0e88dfb1ffa066a435e8b506c03b1b89825263 · sha256:a4de62c76410b677… · /containers/adp/1/metrics/1/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-863","description":"CWE-863 Incorrect Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6aea9ccafd21c6c71838a9edab0e88dfb1ffa066a435e8b506c03b1b89825263 · sha256:a4de62c76410b677… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-266","description":"Incorrect Privilege Assignment","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6aea9ccafd21c6c71838a9edab0e88dfb1ffa066a435e8b506c03b1b89825263 · sha256:a4de62c76410b677… · /containers/adp/1/problemTypes/0/descriptions/0

Source references

5 source assertions
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-43000"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6aea9ccafd21c6c71838a9edab0e88dfb1ffa066a435e8b506c03b1b89825263 · sha256:a4de62c76410b677… · /containers/adp/1/references/0
{"url":"https://bugs.launchpad.net/keystone/+bug/2148477"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6aea9ccafd21c6c71838a9edab0e88dfb1ffa066a435e8b506c03b1b89825263 · sha256:a4de62c76410b677… · /containers/cna/references/0
{"name":"RHBZ#2482826","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2482826"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6aea9ccafd21c6c71838a9edab0e88dfb1ffa066a435e8b506c03b1b89825263 · sha256:a4de62c76410b677… · /containers/adp/1/references/1
{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43000.json"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6aea9ccafd21c6c71838a9edab0e88dfb1ffa066a435e8b506c03b1b89825263 · sha256:a4de62c76410b677… · /containers/adp/1/references/2
{"url":"https://security.openstack.org/ossa/OSSA-2026-015.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6aea9ccafd21c6c71838a9edab0e88dfb1ffa066a435e8b506c03b1b89825263 · sha256:a4de62c76410b677… · /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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