{"uid":"cap_cJb2Rfo1YunqF-fdlzvlD","slug":"cisa-known-exploited-vulnerabilities-kev-catalog-api-4e4ca192","name":"CISA Known Exploited Vulnerabilities (KEV) Catalog API","description":"A crossing for play, feeling, language, science and computation — creating states that do not have names yet.","url":"https://api.lilambd.com/security/kev?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","queryParams"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":[],"properties":{"q":{"type":"string","description":"q (string)"},"limit":{"type":"string","description":"limit (integer)"},"since":{"type":"string","description":"date_added after YYYY-MM-DD"},"offset":{"type":"string","description":"offset (integer)"},"vendor":{"type":"string","description":"vendor (string)"},"product":{"type":"string","description":"product (string)"},"ransomware":{"type":"string","description":"known = only CVEs CISA links to ransomware campaigns"}},"additionalProperties":{"type":"string"}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string","const":"json"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"data":[],"count":0,"attribution":"source licence line"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_uvvvjM0nR881_MWOE1cRg","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Queries the CISA Known Exploited Vulnerabilities catalog with filtering by keyword, vendor, product, date, and ransomware association","exampleAgentPrompt":"Search the CISA Known Exploited Vulnerabilities catalog for all CVEs linked to ransomware campaigns affecting Microsoft products, showing the 20 most recent.","exampleUseCases":[{"title":"Ransomware-linked CVE triage","prompt":"Pull all CISA KEV entries that are associated with ransomware campaigns and were added after 2024-01-01, limit to 50 results — I need to prioritize patching."},{"title":"Vendor vulnerability audit","prompt":"Search the CISA known exploited vulnerabilities catalog for anything from Cisco — I want to see all of them so I can cross-check our asset inventory."},{"title":"Recent KEV additions monitoring","prompt":"Show me the last 25 vulnerabilities added to the CISA KEV catalog so I can check if any affect software we use."}],"resultDescription":"Returns a JSON object with a 'data' array of KEV entries matching the query, a 'count' of total results, and an 'attribution' string with source license information. Each entry contains CVE details including affected vendor, product, and ransomware association flags.","failureModes":["No results returned if vendor/product name doesn't match CISA's canonical naming","Date format errors if 'since' parameter is not in YYYY-MM-DD format","Empty data array if query term matches no KEV entries","Possible timeout or 402 payment failure if USDC payment is not properly attached"],"whenToPreferThis":"Use this endpoint when you need authoritative, CISA-curated data on vulnerabilities that are confirmed to be actively exploited in the wild — especially when filtering by vendor, product, or ransomware linkage is needed. Prefer over generic CVE databases (NVD, OSV) when the use case is prioritizing patching based on active exploitation evidence.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-02T18:33:46.854Z","isFirstParty":false,"canonicalSlug":"cisa-known-exploited-vulnerabilities-kev-catalog-api-4e4ca192"}