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CVE-2026-16543

Kong Operator's embedded Kong Kubernetes Ingress Controller (KIC) allows a user with namespace-scoped Secret creation privileges to cause a cluster-wide ingress configuration denial of service. The embedded KIC collects CA-certificate Secrets across all watched namespaces using a label selector alone, without ingress-class or namespace restrictions. The CA-certificate primary key is derived from a user-supplied field in the Secret. Duplicate CA-certificate IDs cause Kong Gateway to reject the en
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c4adc0f91252c027cc62737af4f3626f8d3f1618f00363f039be6e5e4b91743a
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-862","description":"CWE-862","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:409ec1e00753b51a695c1753a98ce16f5ba764ee253e0f77520a2f4881ed6f57 · sha256:a57ce486ff17a0c5… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-400","description":"CWE-400","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:409ec1e00753b51a695c1753a98ce16f5ba764ee253e0f77520a2f4881ed6f57 · sha256:a57ce486ff17a0c5… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"collectionURL":"https://github.com","defaultStatus":"unaffected","packageName":"Kong/kong-operator","repo":"https://github.com/Kong/kong-operator","versions":[{"lessThan":"2.2.3","status":"affected","version":"2.2.0","versionType":"semver"},{"lessThan":"2.1.9","status":"affected","version":"2.1.0","versionType":"semver"},{"lessThan":"2.0.11","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:409ec1e00753b51a695c1753a98ce16f5ba764ee253e0f77520a2f4881ed6f57 · sha256:a57ce486ff17a0c5… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":7.1,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"N…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:409ec1e00753b51a695c1753a98ce16f5ba764ee253e0f77520a2f4881ed6f57 · sha256:a57ce486ff17a0c5… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-862","description":"CWE-862","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:409ec1e00753b51a695c1753a98ce16f5ba764ee253e0f77520a2f4881ed6f57 · sha256:a57ce486ff17a0c5… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-400","description":"CWE-400","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:409ec1e00753b51a695c1753a98ce16f5ba764ee253e0f77520a2f4881ed6f57 · sha256:a57ce486ff17a0c5… · /containers/cna/problemTypes/1/descriptions/0

Source references

1 source assertion
{"url":"https://github.com/Kong/kong-operator/security/advisories/GHSA-h4fh-j7xg-vwcx"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:409ec1e00753b51a695c1753a98ce16f5ba764ee253e0f77520a2f4881ed6f57 · sha256:a57ce486ff17a0c5… · /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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