202 lines
8.2 KiB
JSON
202 lines
8.2 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-2026-86543",
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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": "2026-09-07T22:18:53.235Z",
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"datePublished": "2026-09-07T23:03:20.773Z",
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"dateUpdated": "2026-09-24T14:21:26.978Z"
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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": "2026-09-24T14:21:26.978Z"
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},
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"datePublic": "2026-08-16T00:00:00.000Z",
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"title": "knowns before 0.30.0 Unauthenticated Management API Exposure",
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"descriptions": [
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{
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"lang": "en",
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"value": "knowns versions before 0.30.0 serve the management API without authentication on all network interfaces by default, with no password required on fresh installations. Attackers can access the unauthenticated /api/tunnel/start endpoint to provision a public tunnel and republish the API at a publicly accessible address."
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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": "Missing Authentication for Critical Function",
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"cweId": "CWE-306",
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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": "knowns-dev",
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"product": "knowns",
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"defaultStatus": "unaffected",
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"packageURL": "pkg:npm/knowns",
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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": "0.30.0"
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},
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{
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"version": "0.30.0",
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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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"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:N/VC:H/VI:H/VA:H/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": "NONE",
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"vulnConfidentialityImpact": "HIGH",
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"vulnIntegrityImpact": "HIGH",
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"vulnAvailabilityImpact": "HIGH",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"subAvailabilityImpact": "NONE",
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"baseScore": 9.3,
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"baseSeverity": "CRITICAL"
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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:N/S:U/C:H/I:H/A:H",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"availabilityImpact": "HIGH",
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"baseScore": 9.8,
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"baseSeverity": "CRITICAL"
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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/knowns-dev/knowns/security/advisories/GHSA-fc85-99vc-9c75",
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"tags": [
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"vendor-advisory"
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],
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"name": "GitHub Security Advisory (GHSA-fc85-99vc-9c75)"
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},
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{
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"url": "https://github.com/knowns-dev/knowns/blob/v0.29.1/internal/server/auth.go#L80-L86",
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"tags": [
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"technical-description"
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],
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"name": "AuthManager.Middleware is a no-op when no password is configured (v0.29.1)"
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},
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{
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"url": "https://github.com/knowns-dev/knowns/blob/v0.29.1/internal/cli/browser.go#L193-L200",
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"tags": [
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"technical-description"
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],
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"name": "Browser listener binds 0.0.0.0 (v0.29.1)"
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},
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{
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"url": "https://github.com/knowns-dev/knowns/blob/v0.29.1/internal/server/routes/tunnel.go#L26-L38",
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"tags": [
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"technical-description"
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],
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"name": "POST /api/tunnel/start has no authorization check of its own (v0.29.1)"
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},
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{
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"url": "https://github.com/knowns-dev/knowns/commit/878a02cb7cc14f0a592fdfda7a520af3cac500fb",
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"tags": [
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"patch"
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],
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"name": "knowns fix commit 878a02cb7cc1"
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},
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{
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"url": "https://github.com/knowns-dev/knowns/releases/tag/v0.30.0",
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"tags": [
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"release-notes"
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],
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"name": "knowns v0.30.0 Release Notes"
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},
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{
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"name": "VulnCheck Advisory: knowns before 0.30.0 Unauthenticated Management API Exposure",
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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/knowns-before-0.30.0-unauthenticated-management-api-exposure"
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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": "Tong Hoang Gia (uziii2208)",
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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": "Nguyen Huy Hoang (hoanggxyuuki)",
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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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"id": "CVE-2026-86543",
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"role": "CISA Coordinator",
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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": "yes"
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},
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{
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"Technical Impact": "total"
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}
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],
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"version": "2.0.3",
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"timestamp": "2026-09-14T19:22:17.717841Z"
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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": "2026-09-14T19:33:06.522Z"
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}
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}
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]
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}
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} |