{
  "code": null,
  "collection": "architecture",
  "href": "https://banes-lab.com/ontology#architecture-cache-poisoning-by-design",
  "id": "cache-poisoning-by-design",
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  "name": "Cache Poisoning by Design",
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          "href": "https://banes-lab.com/ontology/lexicon#lexicon-cache-contract",
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      "relation": "category"
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    {
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          "markdown": "https://banes-lab.com/records/force/correctness-verification.md",
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        {
          "href": "https://banes-lab.com/ontology/schema#force-security-governance",
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          "label": "Security governance",
          "markdown": "https://banes-lab.com/records/force/security-governance.md",
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      ],
      "relation": "force"
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      "links": [
        {
          "href": "https://banes-lab.com/ontology#architecture-caching",
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          "label": "Caching",
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      "relation": "negated-by"
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          "json": "https://banes-lab.com/json/software-architecture/principles/computation-and-resource",
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          "markdown": "https://banes-lab.com/software-architecture/principles/computation-and-resource.md",
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        {
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          "json": "https://banes-lab.com/json/ontology/principles/architecture-category-scalability-performance-optimization",
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          "href": "https://banes-lab.com/ontology/lexicon#lexicon-category-scalability-performance-optimization",
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          "label": "Scalability / Performance / Optimization",
          "markdown": "https://banes-lab.com/ontology/lexicon/lexicon-category-scalability-performance-optimization.md",
          "ref": "chapter:/ontology/lexicon#lexicon-category-scalability-performance-optimization"
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        {
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      ],
      "relation": "linked-from"
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  ],
  "summary": "A defect in which a cache key omits an input the entry depends on, so one request is served another's result.",
  "siblings": {
    "next": {
      "href": "https://banes-lab.com/ontology#architecture-retry-storm",
      "json": "https://banes-lab.com/json/records/architecture/retry-storm",
      "label": "Retry Storm",
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    "previous": {
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  "up": {
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    "json": "https://banes-lab.com/json/api/records/architecture",
    "label": "Architecture principles",
    "markdown": "https://banes-lab.com/api/records/architecture.md",
    "ref": "api:records/architecture"
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  "aliases": [],
  "exemplar": {
    "after": "if (response.ok && response.cacheable) {\n  fooCache.set(cacheKey(request.identity, request.path, fingerprint(request.inputs, SCHEMA_VERSION)), response);\n}",
    "before": "fooCache.set(request.path, response);",
    "lang": "ts",
    "medium": "code"
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  "formedBy": "Cache data without key correctness, tenant isolation, authorization context, invalidation, or schema version, or key the entry by time or lifetime alone.",
  "scope": [
    "correctness_verification",
    "security_governance"
  ],
  "severity": "discouraged"
}