227 lines
8.9 KiB
JSON
227 lines
8.9 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-2026-74046",
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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": "2026-08-14T14:06:40.513Z",
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"datePublished": "2026-08-18T17:27:24.053Z",
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"dateUpdated": "2026-10-01T15:20:46.250Z"
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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": "2026-10-01T15:20:46.250Z"
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},
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"datePublic": "2026-08-18T00:00:00.000Z",
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"title": "Wazuh 4.4.0 < 4.14.7 DoS via fdecompress_files() Zip Bomb",
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"descriptions": [
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{
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"lang": "en",
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"value": "Wazuh 4.4.0 before 4.14.7 contains a denial of service vulnerability in the fdecompress_files() function within cluster.py that allows authenticated cluster peers to exhaust memory by supplying a malicious synchronization archive without decompressed size limits. Attackers holding a valid cluster Fernet key can upload a small, highly compressed zip bomb archive that forces wazuh-clusterd on the master node to decompress the full payload into memory, causing memory exhaustion and service disruption."
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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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"cweId": "CWE-409",
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"description": "Improper Handling of Highly Compressed Data (Data Amplification)",
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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": "Wazuh",
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"product": "wazuh-manager",
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"packageURL": "pkg:github/wazuh/wazuh",
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"repo": "https://github.com/wazuh/wazuh",
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"defaultStatus": "unaffected",
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"versions": [
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{
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"version": "4.4.0",
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"status": "affected",
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"versionType": "semver",
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"lessThan": "4.14.7"
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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:wazuh:wazuh:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.4.0",
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"versionEndExcluding": "4.14.7"
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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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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"cvssV4_0": {
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"privilegesRequired": "HIGH",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"vulnAvailabilityImpact": "HIGH",
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"subAvailabilityImpact": "NONE",
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"exploitMaturity": "NOT_DEFINED",
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"Safety": "NOT_DEFINED",
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"Automatable": "NOT_DEFINED",
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"Recovery": "NOT_DEFINED",
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"valueDensity": "NOT_DEFINED",
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"vulnerabilityResponseEffort": "NOT_DEFINED",
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"providerUrgency": "NOT_DEFINED",
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"version": "4.0",
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"baseSeverity": "MEDIUM",
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"baseScore": 6.9,
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
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}
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},
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{
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"cvssV3_1": {
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "HIGH",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "HIGH",
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"version": "3.1",
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"baseSeverity": "MEDIUM",
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"baseScore": 4.9,
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H"
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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/wazuh/wazuh/security/advisories/GHSA-mr7j-w2m4-vw5j",
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"name": "GitHub Security Advisory (GHSA-mr7j-w2m4-vw5j)",
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"tags": [
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"vendor-advisory"
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]
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},
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{
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"url": "https://github.com/wazuh/wazuh/pull/37119",
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"name": "Pull Request",
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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://www.vulncheck.com/advisories/wazuh-dos-via-fdecompress-files-zip-bomb",
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"tags": [
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"third-party-advisory"
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]
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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": "moltenbit",
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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": "jotacarma90",
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"type": "analyst"
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}
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],
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"source": {
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"discovery": "EXTERNAL"
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},
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"solutions": [
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{
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"lang": "en",
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"value": "Upgrade the affected package to 4.14.7 or later."
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}
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],
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"timeline": [
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{
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"time": "2026-05-19T00:00:00.000Z",
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"lang": "en",
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"value": "Reported to the Wazuh security team"
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}
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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/wazuh/wazuh/security/advisories/GHSA-mr7j-w2m4-vw5j",
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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": "2026-08-18T19:26:44.382567Z",
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"id": "CVE-2026-74046",
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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": "2026-08-18T19:27:06.342Z"
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}
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}
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]
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}
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} |