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CVE-2026-22872

Capsule is a multi-tenancy and policy-based framework for Kubernetes. The Capsule Controller runs with cluster-admin privileges. Although the TenantResource RawItems processing logic forcibly sets the namespace, this is ineffective for cluster-scoped resources. Prior to version 0.13.0, tenant administrators can leverage the Controller's elevated privileges to create cluster-scoped resources (such as ClusterRole and ValidatingWebhookConfiguration) that they cannot create directly, achieving cross
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:cfe600a76c16b29ed0f51062c5ff33ba310db1bf5c10eb657b86056cc37ba859
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

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

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:01ab2ec306cfe3718f86aace700ad058860bb572f75949666d31e485135b648f · sha256:6bf26f8c6958237a… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-20","description":"CWE-20: Improper Input Validation","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:01ab2ec306cfe3718f86aace700ad058860bb572f75949666d31e485135b648f · sha256:6bf26f8c6958237a… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"capsule","vendor":"projectcapsule","versions":[{"status":"affected","version":"< 0.13.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:01ab2ec306cfe3718f86aace700ad058860bb572f75949666d31e485135b648f · sha256:6bf26f8c6958237a… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.9,"baseSeverity":"MEDIUM","privilegesRequired":"HIGH","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"HIGH","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N/E:P","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:01ab2ec306cfe3718f86aace700ad058860bb572f75949666d31e485135b648f · sha256:6bf26f8c6958237a… · /containers/cna/metrics/0/cvssV4_0

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:v2:01ab2ec306cfe3718f86aace700ad058860bb572f75949666d31e485135b648f · sha256:6bf26f8c6958237a… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-20","description":"CWE-20: Improper Input Validation","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:01ab2ec306cfe3718f86aace700ad058860bb572f75949666d31e485135b648f · sha256:6bf26f8c6958237a… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/projectcapsule/capsule/releases/tag/v0.13.0","tags":["x_refsource_MISC"],"url":"https://github.com/projectcapsule/capsule/releases/tag/v0.13.0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:01ab2ec306cfe3718f86aace700ad058860bb572f75949666d31e485135b648f · sha256:6bf26f8c6958237a… · /containers/cna/references/1
{"name":"https://github.com/projectcapsule/capsule/security/advisories/GHSA-qjjm-7j9w-pw72","tags":["x_refsource_CONFIRM"],"url":"https://github.com/projectcapsule/capsule/security/advisories/GHSA-qjjm-7j9w-pw72"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:01ab2ec306cfe3718f86aace700ad058860bb572f75949666d31e485135b648f · sha256:6bf26f8c6958237a… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/projectcapsule/capsule/security/advisories/GHSA-qjjm-7j9w-pw72"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:01ab2ec306cfe3718f86aace700ad058860bb572f75949666d31e485135b648f · sha256:6bf26f8c6958237a… · /containers/adp/0/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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