194 lines
8.3 KiB
JSON
194 lines
8.3 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-2026-73553",
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"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"state": "PUBLISHED",
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"assignerShortName": "GitHub_M",
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"dateReserved": "2026-08-12T20:53:46.380Z",
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"datePublished": "2026-09-21T20:18:47.650Z",
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"dateUpdated": "2026-09-22T13:21:23.657Z"
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},
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"containers": {
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"cna": {
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"title": "Envoy: RBAC Authorization Bypass via Path Parameters",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-436",
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"lang": "en",
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"description": "CWE-436: Interpretation Conflict",
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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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"metrics": [
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{
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"cvssV3_1": {
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"attackComplexity": "HIGH",
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"attackVector": "NETWORK",
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"availabilityImpact": "NONE",
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"baseScore": 7.5,
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"baseSeverity": "HIGH",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "LOW",
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"privilegesRequired": "NONE",
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"scope": "CHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N",
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"version": "3.1"
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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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"name": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-77x5-xqjg-hprq",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-77x5-xqjg-hprq"
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},
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{
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"name": "https://github.com/envoyproxy/envoy/commit/0be4a0302ea94a894e470817c2edfbd5ed90d273",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/envoyproxy/envoy/commit/0be4a0302ea94a894e470817c2edfbd5ed90d273"
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},
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{
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"name": "https://github.com/envoyproxy/envoy/commit/6a703a375a20e3bf98140ee5f5522c614adee7b6",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/envoyproxy/envoy/commit/6a703a375a20e3bf98140ee5f5522c614adee7b6"
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},
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{
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"name": "https://github.com/envoyproxy/envoy/commit/b6ec9b66cc33a415e2fa81a6fa8363cac4772dd1",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/envoyproxy/envoy/commit/b6ec9b66cc33a415e2fa81a6fa8363cac4772dd1"
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},
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{
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"name": "https://github.com/envoyproxy/envoy/commit/e6d5fe885409ebb335ed3934a167f0bcfea471f2",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/envoyproxy/envoy/commit/e6d5fe885409ebb335ed3934a167f0bcfea471f2"
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},
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{
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"name": "https://github.com/envoyproxy/envoy/releases/tag/v1.36.10",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/envoyproxy/envoy/releases/tag/v1.36.10"
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},
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{
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"name": "https://github.com/envoyproxy/envoy/releases/tag/v1.37.6",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/envoyproxy/envoy/releases/tag/v1.37.6"
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},
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{
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"name": "https://github.com/envoyproxy/envoy/releases/tag/v1.38.4",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/envoyproxy/envoy/releases/tag/v1.38.4"
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},
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{
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"name": "https://github.com/envoyproxy/envoy/releases/tag/v1.39.1",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/envoyproxy/envoy/releases/tag/v1.39.1"
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}
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],
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"affected": [
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{
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"vendor": "envoyproxy",
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"product": "envoy",
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"versions": [
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{
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"version": "< 1.36.10",
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"status": "affected"
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},
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{
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"version": ">= 1.37.0, < 1.37.6",
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"status": "affected"
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},
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{
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"version": ">= 1.38.0, < 1.38.4",
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"status": "affected"
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},
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{
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"version": ">= 1.39.0, < 1.39.1",
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"status": "affected"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"shortName": "GitHub_M",
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"dateUpdated": "2026-09-21T20:18:47.650Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, When ignore_path_parameters_in_path_matching is enabled, Envoy's router strips the semicolon suffix before matching but the RBAC url_path matcher evaluates the raw path. A downstream request such as /admin;x can therefore miss a DENY rule for /admin while the router still selects the protected /admin backend. The inconsistent canonicalization allows an unauthenticated client to bypass path-based authorization. The relevant scope boundary is that the route option and a path-based RBAC rule must both be present, and the protected route must match after stripping. This issue is fixed in versions 1.36.10, 1.37.6, 1.38.4, and 1.39.1."
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}
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],
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"source": {
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"advisory": "GHSA-77x5-xqjg-hprq",
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"discovery": "UNKNOWN"
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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/envoyproxy/envoy/security/advisories/GHSA-77x5-xqjg-hprq",
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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": "2026-09-22T13:20:29.312691Z",
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"id": "CVE-2026-73553",
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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": "2026-09-22T13:21:23.657Z"
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}
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}
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]
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}
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} |