232 lines
9.2 KiB
JSON
232 lines
9.2 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-2026-55198",
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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": "2026-06-16T15:53:37.764Z",
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"datePublished": "2026-06-17T17:59:25.491Z",
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"dateUpdated": "2026-09-17T18:57:22.258Z"
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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": "2026-09-17T18:57:22.258Z"
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},
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"datePublic": "2026-06-11T00:00:00.000Z",
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"title": "Hermes WebUI < 0.51.443 - Cross-Profile Session Data Exfiltration via Session Export Endpoint",
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"descriptions": [
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{
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"lang": "en",
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"value": "Hermes WebUI before 0.51.443 contains an authorization bypass vulnerability in the session export endpoint that allows authenticated users to access sessions from other profiles. The _handle_session_export handler in api/routes.py fails to verify active-profile ownership before serializing session data, enabling attackers to exfiltrate foreign session transcripts by guessing or knowing session identifiers."
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}
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],
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"tags": [
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"x_open-source"
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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-639",
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"description": "Authorization Bypass Through User-Controlled Key",
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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": "nesquena",
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"product": "hermes-webui",
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"defaultStatus": "unaffected",
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"packageURL": "pkg:github/nesquena/hermes-webui",
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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": "0.51.443"
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},
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{
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"version": "0.51.443",
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"status": "unaffected",
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"versionType": "semver"
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}
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],
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"repo": "https://github.com/nesquena/hermes-webui"
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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:get-hermes:hermes_web_ui:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "0.51.443"
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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": "LOW",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "HIGH",
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"subConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"vulnAvailabilityImpact": "NONE",
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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": "HIGH",
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"baseScore": 7.1,
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/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": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "NONE",
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"availabilityImpact": "NONE",
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"version": "3.1",
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"baseSeverity": "MEDIUM",
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"baseScore": 6.5,
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
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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/nesquena/hermes-webui/releases/tag/v0.51.443",
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"name": "hermes-webui v0.51.443 Release Notes",
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"tags": [
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"release-notes"
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]
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},
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{
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"url": "https://github.com/nesquena/hermes-webui/pull/3991",
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"name": "Researcher Pull Request",
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"tags": [
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"issue-tracking",
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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/nesquena/hermes-webui/pull/4269",
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"name": "Maintainer Pull Request",
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"tags": [
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"issue-tracking",
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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/nesquena/hermes-webui/commit/2a3baa71b81ca92da8ece8616a09f15894beec71",
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"name": "Patch Commit",
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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/hermes-webui-cross-profile-session-data-exfiltration-via-session-export-endpoint",
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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": "Chia Min Jun Lennon",
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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"
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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/nesquena/hermes-webui/pull/3991",
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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": "2026-06-17T19:30:06.299958Z",
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"id": "CVE-2026-55198",
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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": "2026-06-17T19:30:54.755Z"
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}
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}
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]
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}
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} |