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CVE-2026-33551

An issue was discovered in OpenStack Keystone 14 through 26 before 26.1.1, 27.0.0, 28.0.0, and 29.0.0. Restricted application credentials can create EC2 credentials. By using a restricted application credential to call the EC2 credential creation API, an authenticated user with only a reader role may obtain an EC2/S3 credential that carries the full set of the parent user's S3 permissions, effectively bypassing the role restrictions imposed on the application credential. Only deployments that us
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:9a89e4d215bd3ae1591f7860cc42e62f209d1f1a23531926cff3419139a84870
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":"26.1.1","status":"affected","version":"14.0.0","versionType":"semver"},{"status":"affected","version":"27.0.0","versionType":"semver"},{"status":"affected","version":"28.0.0","versionType":"semver"},{"status":"affected","version":"29.0.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:426b5765c6081bf473014e4ce33c994ba115a2739d6b92804828ac3412ec05d0 · sha256:d68c11bc62652895… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":3.5,"baseSeverity":"LOW","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:426b5765c6081bf473014e4ce33c994ba115a2739d6b92804828ac3412ec05d0 · sha256:d68c11bc62652895… · /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:v2:426b5765c6081bf473014e4ce33c994ba115a2739d6b92804828ac3412ec05d0 · sha256:d68c11bc62652895… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"url":"http://www.openwall.com/lists/oss-security/2026/04/07/12"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:426b5765c6081bf473014e4ce33c994ba115a2739d6b92804828ac3412ec05d0 · sha256:d68c11bc62652895… · /containers/adp/0/references/0
{"tags":["exploit"],"url":"https://bugs.launchpad.net/keystone/+bug/2142138"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:426b5765c6081bf473014e4ce33c994ba115a2739d6b92804828ac3412ec05d0 · sha256:d68c11bc62652895… · /containers/adp/1/references/0
{"url":"https://bugs.launchpad.net/keystone/+bug/2142138"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:426b5765c6081bf473014e4ce33c994ba115a2739d6b92804828ac3412ec05d0 · sha256:d68c11bc62652895… · /containers/cna/references/0
{"url":"https://security.openstack.org/ossa/OSSA-2026-005.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:426b5765c6081bf473014e4ce33c994ba115a2739d6b92804828ac3412ec05d0 · sha256:d68c11bc62652895… · /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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