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CVE-2026-46519

mcp-server-kubernetes is a Model Context Protocol server for Kubernetes cluster management. Prior to version 3.6.0, mcp-server-kubernetes exposes three environment variables (ALLOW_ONLY_READONLY_TOOLS, ALLOW_ONLY_NON_DESTRUCTIVE_TOOLS, ALLOWED_TOOLS) documented as access controls for restricting which Kubernetes operations are available. These controls are enforced at the tool discovery layer (tools/list) but not at the execution layer (tools/call). Any client that knows a tool name can invoke i
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:5a7f55185031659867dc94a3147ae03763b701a4df63859e037a350600f18789
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"mcp-server-kubernetes","vendor":"Flux159","versions":[{"status":"affected","version":"< 3.6.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:edf5621dbfba5e056a3a963cf28ca229541568df2e9934089607ac169bc2e14c · sha256:4a4f00165990863a… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:edf5621dbfba5e056a3a963cf28ca229541568df2e9934089607ac169bc2e14c · sha256:4a4f00165990863a… · /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:edf5621dbfba5e056a3a963cf28ca229541568df2e9934089607ac169bc2e14c · sha256:4a4f00165990863a… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/Flux159/mcp-server-kubernetes/releases/tag/v3.6.0","tags":["x_refsource_MISC"],"url":"https://github.com/Flux159/mcp-server-kubernetes/releases/tag/v3.6.0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:edf5621dbfba5e056a3a963cf28ca229541568df2e9934089607ac169bc2e14c · sha256:4a4f00165990863a… · /containers/cna/references/1
{"name":"https://github.com/Flux159/mcp-server-kubernetes/security/advisories/GHSA-cr22-wjx7-2w6m","tags":["x_refsource_CONFIRM"],"url":"https://github.com/Flux159/mcp-server-kubernetes/security/advisories/GHSA-cr22-wjx7-2w6m"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:edf5621dbfba5e056a3a963cf28ca229541568df2e9934089607ac169bc2e14c · sha256:4a4f00165990863a… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/Flux159/mcp-server-kubernetes/security/advisories/GHSA-cr22-wjx7-2w6m"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:edf5621dbfba5e056a3a963cf28ca229541568df2e9934089607ac169bc2e14c · sha256:4a4f00165990863a… · /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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