233 lines
9.6 KiB
JSON
233 lines
9.6 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-2026-116538",
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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": "2026-10-26T14:30:56.846Z",
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"datePublished": "2026-10-26T14:59:38.815Z",
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"dateUpdated": "2026-10-31T01:25:48.693Z"
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},
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"containers": {
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"cna": {
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"dateUpdated": "2026-10-26T14:59:38.815Z"
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},
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"datePublic": "2026-08-26T00:00:00.000Z",
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"title": "HtmlSanitizer before 9.2.1039 XSS via SanitizeDom Body and HTML Attributes",
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"descriptions": [
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{
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"lang": "en",
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"value": "HtmlSanitizer before 9.2.1039 and 10.0 prereleases before 10.0.1037-beta contains a cross-site scripting vulnerability because SanitizeDom(string) never sanitizes attributes on the html and body wrapper elements. Attackers can supply input with a second body or html tag carrying event handlers like onload, executing script when applications render serialized document or body outer HTML."
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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 Neutralization of Input During Web Page Generation ('Cross-site Scripting')",
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"cweId": "CWE-79",
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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": "mganss",
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"product": "HtmlSanitizer",
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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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"status": "affected",
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"versionType": "semver",
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"lessThan": "9.2.1039"
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},
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{
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"version": "10.0.0-beta",
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"status": "affected",
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"versionType": "semver",
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"lessThan": "10.0.1037-beta"
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}
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],
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"collectionURL": "https://www.nuget.org/packages/HtmlSanitizer",
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"packageName": "HtmlSanitizer",
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"packageURL": "pkg:nuget/HtmlSanitizer",
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"repo": "https://github.com/mganss/HtmlSanitizer"
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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:htmlsanitizer_project:htmlsanitizer:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "9.2.1039"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:htmlsanitizer_project:htmlsanitizer:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "10.0.0-beta",
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"versionEndExcluding": "10.0.1037-beta"
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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:P/VC:N/VI:N/VA:N/SC:L/SI:L/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": "PASSIVE",
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"vulnConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "NONE",
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"vulnAvailabilityImpact": "NONE",
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"subConfidentialityImpact": "LOW",
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"subIntegrityImpact": "LOW",
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"subAvailabilityImpact": "NONE",
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"baseScore": 2.3,
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"baseSeverity": "LOW"
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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:R/S:C/C:L/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": "REQUIRED",
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"scope": "CHANGED",
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"confidentialityImpact": "LOW",
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"integrityImpact": "LOW",
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"availabilityImpact": "NONE",
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"baseScore": 4.7,
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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/mganss/HtmlSanitizer/commit/96afbc818e64de7571ea17954a05d523e819c56f",
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"tags": [
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"patch"
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],
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"name": "Patch Commit"
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},
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{
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"url": "https://github.com/mganss/HtmlSanitizer/commit/ab626e7a4f2893f7e9ec0a72779ae19c5ec439a7",
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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/mganss/HtmlSanitizer/blob/v9.2.995/src/HtmlSanitizer/HtmlSanitizer.cs#L456-L465",
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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/mganss/HtmlSanitizer/blob/v9.2.995/src/HtmlSanitizer/HtmlSanitizer.cs#L555-L583",
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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://joshua.hu/htmlsanitizer-sanitizedom-body-html-attribute-bypass",
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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/mganss/HtmlSanitizer/releases/tag/v9.2.1039",
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"tags": [
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"release-notes"
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],
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"name": "HtmlSanitizer v9.2.1039 Release Notes"
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},
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{
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"url": "https://github.com/mganss/HtmlSanitizer/releases/tag/v10.0.1037-beta",
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"tags": [
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"release-notes"
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],
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"name": "HtmlSanitizer v10.0.1037-beta Release Notes"
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},
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{
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"url": "https://github.com/mganss/HtmlSanitizer",
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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: HtmlSanitizer before 9.2.1039 XSS via SanitizeDom Body and HTML Attributes",
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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/htmlsanitizer-before-9.2.1039-xss-via-sanitizedom-body-and-html-attributes"
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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": "Joshua Rogers",
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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": "2026-10-31T01:25:39.139097Z",
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"id": "CVE-2026-116538",
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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": "2026-10-31T01:25:48.693Z"
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}
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}
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]
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}
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} |