213 lines
8.3 KiB
JSON
213 lines
8.3 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-93840",
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"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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"state": "PUBLISHED",
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"assignerShortName": "VulnCheck",
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"dateReserved": "2026-09-18T18:16:47.489Z",
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"datePublished": "2026-09-18T19:06:06.001Z",
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"dateUpdated": "2026-09-24T14:23:15.056Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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"shortName": "VulnCheck",
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"dateUpdated": "2026-09-24T14:23:15.056Z"
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},
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"datePublic": "2026-07-19T00:00:00.000Z",
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"title": "vLLM before 0.29.0 Cross-Request Logits Corruption via allowed_token_ids",
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"descriptions": [
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{
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"lang": "en",
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"value": "vLLM before 0.29.0 validates allowed_token_ids against tokenizer length instead of model output logits width in SamplingParams._validate_allowed_token_ids(). Attackers can supply token IDs above the output vocabulary that pass validation, causing LogitBiasState to corrupt GPU logits state and allow concurrent requests to sample tokens outside their allowlists."
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"description": "Improper Validation of Array Index",
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"cweId": "CWE-129",
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"type": "CWE"
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}
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]
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}
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],
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"affected": [
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{
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"vendor": "vllm-project",
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"product": "vllm",
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"defaultStatus": "unaffected",
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"packageURL": "pkg:pypi/vllm",
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"versions": [
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{
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"version": "0",
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"status": "affected",
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"versionType": "semver",
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"lessThan": "0.29.0"
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},
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{
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"version": "0.29.0",
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"status": "unaffected",
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"versionType": "semver"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:vllm:vllm:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "0.29.0"
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}
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]
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}
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]
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}
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],
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"metrics": [
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{
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"format": "CVSS",
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"cvssV4_0": {
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"version": "4.0",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"attackRequirements": "PRESENT",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "LOW",
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"vulnAvailabilityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"subAvailabilityImpact": "NONE",
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"baseScore": 6.3,
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"baseSeverity": "MEDIUM"
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}
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},
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{
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"format": "CVSS",
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N",
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"attackVector": "NETWORK",
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"attackComplexity": "HIGH",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "LOW",
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"availabilityImpact": "NONE",
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"baseScore": 3.7,
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"baseSeverity": "LOW"
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}
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}
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],
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"references": [
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{
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"url": "https://github.com/vllm-project/vllm/pull/49080",
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"tags": [
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"patch",
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"issue-tracking"
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]
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},
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{
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"url": "https://github.com/vllm-project/vllm",
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"tags": [
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"product"
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]
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},
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{
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"url": "https://github.com/vllm-project/vllm/commit/5b0e5b69ac1a3884a6479c9537789c95263cc804",
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"tags": [
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"patch"
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]
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},
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{
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"url": "https://github.com/vllm-project/vllm/blob/v0.28.0/vllm/sampling_params.py#L881-L903",
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"tags": [
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"technical-description"
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]
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},
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{
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"url": "https://github.com/vllm-project/vllm/blob/v0.28.0/vllm/v1/worker/gpu/sample/logit_bias.py#L179-L191",
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"tags": [
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"technical-description"
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]
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},
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{
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"name": "VulnCheck Advisory: vLLM before 0.29.0 Cross-Request Logits Corruption via allowed_token_ids",
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"tags": [
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"third-party-advisory"
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],
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"url": "https://www.vulncheck.com/advisories/vllm-before-0.29.0-cross-request-logits-corruption-via-allowed-token-ids"
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "Mingkai Yu",
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"type": "finder"
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},
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{
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"lang": "en",
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"value": "Jiapeng Li",
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"type": "finder"
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},
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{
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"lang": "en",
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"value": "Jiajia Liu",
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"type": "finder"
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}
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],
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"x_generator": {
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"engine": "vulncheck-endgame"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-09-21T18:29:51.620755Z",
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"id": "CVE-2026-93840",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-09-21T18:30:02.425Z"
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}
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}
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]
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}
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} |