232 lines
9.4 KiB
JSON
232 lines
9.4 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-2026-84809",
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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": "2026-09-02T10:19:32.992Z",
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"datePublished": "2026-09-02T16:59:48.800Z",
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"dateUpdated": "2026-09-24T14:20:41.048Z"
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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": "2026-09-24T14:20:41.048Z"
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},
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"datePublic": "2026-08-10T00:00:00.000Z",
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"title": "Tencent AI-Infra-Guard skill-scan Analysis Bypass via Excluded Python Bytecode",
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"descriptions": [
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{
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"lang": "en",
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"value": "Tencent AI-Infra-Guard's skill-scan component excludes compiled Python bytecode files from analysis by hardcoding __pycache__ directories and .pyc/.pyo/.pyd extensions into skip lists across multiple scanning surfaces. Attackers can distribute skills with benign Python source files alongside malicious compiled bytecode that executes on import while the scanner reports a safe verdict, enabling code execution when operators install the skill."
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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": "Protection Mechanism Failure",
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"cweId": "CWE-693",
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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": "Tencent",
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"product": "AI-Infra-Guard",
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"defaultStatus": "unaffected",
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"versions": [
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{
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"version": "0",
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"lessThan": "4.5.2",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "4.6.0",
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"lessThanOrEqual": "4.6.0",
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"status": "affected",
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"versionType": "semver"
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}
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],
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"packageURL": "pkg:github/Tencent/AI-Infra-Guard"
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},
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{
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"vendor": "Tencent",
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"product": "aig-skill-scan",
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"collectionURL": "https://pypi.org",
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"packageName": "aig-skill-scan",
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"defaultStatus": "unaffected",
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"versions": [
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{
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"version": "0",
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"lessThanOrEqual": "0.2.1",
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"status": "affected",
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"versionType": "semver"
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}
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],
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"packageURL": "pkg:pypi/aig-skill-scan"
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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:tencent:ai-infra-guard:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "4.5.2"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:tencent:ai-infra-guard:4.6.0:*:*:*:*:*:*:*"
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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:N/PR:N/UI:P/VC:N/VI:H/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": "NONE",
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"privilegesRequired": "NONE",
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"userInteraction": "PASSIVE",
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"vulnConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "HIGH",
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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": 7.1,
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"baseSeverity": "HIGH"
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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:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "NONE",
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"userInteraction": "REQUIRED",
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"scope": "UNCHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "HIGH",
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"availabilityImpact": "NONE",
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"baseScore": 6.5,
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"baseSeverity": "MEDIUM"
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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/Tencent/AI-Infra-Guard/issues/531",
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"tags": [
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"issue-tracking"
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],
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"name": "GitHub Issue #531"
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},
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{
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"url": "https://github.com/Tencent/AI-Infra-Guard/commit/7e0f749e3c023e5c6ab7b32fe97b3f6f2e8aeb04",
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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/Tencent/AI-Infra-Guard/blob/v4.6.0/skill-scan/skill_scan/tools/dir/dir_actions.py",
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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/Tencent/AI-Infra-Guard/blob/v4.6.0/skill-scan/skill_scan/utils/pre_scan.py",
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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/Tencent/AI-Infra-Guard",
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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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"name": "VulnCheck Advisory: Tencent AI-Infra-Guard skill-scan Analysis Bypass via Excluded Python Bytecode",
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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/tencent-ai-infra-guard-skill-scan-analysis-bypass-via-excluded-python-bytecode"
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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": "nedlir",
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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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"references": [
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{
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"url": "https://github.com/Tencent/AI-Infra-Guard/issues/531",
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"tags": [
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"exploit"
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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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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-09-04T02:48:03.204497Z",
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"id": "CVE-2026-84809",
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"options": [
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{
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"Exploitation": "poc"
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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": "2026-09-04T02:48:28.490Z"
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}
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}
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]
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}
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} |