← The evidence ledger
Evidence row 2202159
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://vuln-intel.x402tookit.com/kev-check
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- eef3e74834a2f193c78398b7a266b6b63883363248656f313b1842fa86d0506b
- Leaf
- 0x820f1036440db09c35f887d34e6b89bb039e9740685421391ab494824fe32d2b
What was observed
{
"endpoints": [
[
"x402",
"https://vuln-intel.x402tookit.com/kev-check"
]
],
"name": "Vulnerability Intelligence",
"owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
"raw": {
"accepts": [
{
"amount": "20000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"transactionVersions": [
0
]
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
}
],
"description": "Is a CVE in CISA's Known Exploited Vulnerabilities catalog? Date added, due date, ransomware use and required action.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"cve": "CVE-2021-44228"
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-23T03:17:23.754Z",
"catalogVersion": "2026.10.21",
"cve": "CVE-2021-44228",
"cwes": [
"CWE-20",
"CWE-400",
"…1 more"
],
"dateAdded": "2021-12-10",
"degraded": false,
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"dueDate": "2021-12-24",
"name": "Apache Log4j2 Remote Code Execution Vulnerability",
"notChecked": [
"whether you are affected"
],
"product": "Log4j2",
"ransomwareUse": "Known",
"reasons": [
"Known to be used in ransomware campaigns.",
"For all affected software assets for which updates exist, the only acceptable remediation actions are: 1) Apply updates; OR 2) remove affected assets from agency networks. Temporary mitigations using "
],
"source": "CISA KEV catalog (CC0)",
"sourceUrl": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
"summary": "CVE-2021-44228 IS exploited in the wild per CISA: Apache Log4j2, added 2021-12-10, federal due date 2021-12-24.",
"vendor": "Apache",
"verdict": "IN_KEV"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"cve": {
"description": "CVE id, e.g. CVE-2021-44228",
"type": "string"
}
},
"required": [
"cve"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"catalogVersion": {
"type": [
"null",
"string"
]
},
"cve": {
"type": [
"null",
"string"
]
},
"cwes": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"dateAdded": {
"type": [
"null",
"string"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"dueDate": {
"type": [
"null",
"string"
]
},
"name": {
"type": [
"null",
"string"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"product": {
"type": [
"null",
"string"
]
},
"ransomwareUse": {
"type": [
"null",
"string"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"sourceUrl": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"vendor": {
"type": [
"null",
"string"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T22:39:42.904Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-01T22:39:42.628Z"
},
"resource": "https://vuln-intel.x402tookit.com/kev-check",
"serviceName": "Vulnerability Intelligence",
"tags": [
"kev",
"cisa",
"cve"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Is a CVE in CISA's Known Exploited Vulnerabilities catalog? Date added, due date, ransomware use and required action."
}What the leaf hashes
{"body":"eef3e74834a2f193c78398b7a266b6b63883363248656f313b1842fa86d0506b","id":2202159,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646813528375,"prev":null,"subject":"x402_bazaar:https://vuln-intel.x402tookit.com/kev-check","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
- 0x820ee59fa7fd382e8cb7b515f2f38b50824c2ff54b8a14d54a116bf04c6fc297
- 0x9446ab1605218a33c3d4f6433d798c97c1b86f906c1501acd2f242228b8357a9
- 0x0dc169989ae182954f84c2abcc4e936fb6629aca487453638040e88ba6d31318
- 0x2c2bc4f29be3056c5ef640710531220e738d6ca985ba8425157c230ad6f12d6d
- 0x6c1a75f299075941055a866364046f9748ae7fd632b59a660f2357e4f8183f81
- 0x51a272112a125a0c57a615300dfc2299ffbcf5956ad476d21f1cf11bd906310b
- 0x3adf2508fe61b915f21bf9a106ba9a3aa47debbf09d99052b9b9ab2f862185b4
- 0x6976deefe654811bc63f0811fb52e8cbdb8632263d26697d46dcd3af213ef410
- 0xd31ec86cf73caa032ecf8e8595a204497c93cf40e024bcd4718739a4d16d143b
- 0xbc0bd3e916baba1bbca963c3d3f14a8bfcf52d7c533868a4ad4ba3233605e752
- 0x1fcc62b860f05e6d608e0f36cdd791fdbd0a6f06270969f306770f4a1d3eab15
- 0x3fd83e30473e926f4e4e16bd737d7c3c794bc8304da6d47a1d7ca29d12258f04
- 0xf82dc9b9d8e081f36e55e80fab45654768c11eb158257f63f8ca7ff17d181d54
- 0x5d40473873ebe898bcca4e49df524bf4345695f06abe3579f4bdb7b306b863f8
- 0x46991481c678139203ebc3c532867ce1643c09ddc33966c4fb48bb7f033ab22f
- 0x3b89dd05634a82075204d3c671f613081ddfd9df739c64c0a8f39081bdfa32c7
- 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af