198 lines
8.1 KiB
JSON
198 lines
8.1 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-2026-108752",
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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": "2026-10-11T01:54:17.597Z",
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"datePublished": "2026-10-11T12:19:51.996Z",
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"dateUpdated": "2026-10-13T17:00:17.356Z"
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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": "2026-10-11T12:19:51.996Z"
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},
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"datePublic": "2026-10-10T00:00:00.000Z",
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"title": "JupyterHub through 6.0.1 OAuth Client ID Collision via Unescaped Hyphen",
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"descriptions": [
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{
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"lang": "en",
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"value": "JupyterHub through 6.0.1 contains an identifier collision vulnerability that allows authenticated users to overwrite another user's named-server OAuth client by registering a hyphenated username. Attackers holding a name like alice-prod can overwrite the client for alice's server prod, breaking OAuth login and revoking tokens by stopping their own server."
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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": "Use of Multiple Resources with Duplicate Identifier",
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"cweId": "CWE-694",
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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": "jupyterhub",
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"product": "jupyterhub",
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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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"lessThanOrEqual": "6.0.1",
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"status": "affected",
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"versionType": "semver"
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}
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],
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"packageURL": "pkg:pypi/jupyterhub",
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"repo": "https://github.com/jupyterhub/jupyterhub"
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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:jupyter:jupyterhub:*:*:*:*:*:*:*:*",
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"versionEndIncluding": "6.0.1"
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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:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/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": "LOW",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "LOW",
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"vulnAvailabilityImpact": "LOW",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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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:L/UI:N/S:U/C:N/I:L/A:L",
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"attackVector": "NETWORK",
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"attackComplexity": "HIGH",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "LOW",
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"availabilityImpact": "LOW",
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"baseScore": 4.2,
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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://hackmd.io/@haind/jupyterhub-oauth-client-id-cross-user-collision",
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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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"url": "https://github.com/jupyterhub/jupyterhub/blob/3e516c6f382b481e815ec455befb2f14d80d337b/jupyterhub/user.py#L563-L567",
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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/jupyterhub/jupyterhub/blob/3e516c6f382b481e815ec455befb2f14d80d337b/jupyterhub/oauth/provider.py#L719-L754",
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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/jupyterhub/jupyterhub/blob/3e516c6f382b481e815ec455befb2f14d80d337b/jupyterhub/user.py#L1174-L1186",
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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/jupyterhub/jupyterhub",
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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: JupyterHub through 6.0.1 OAuth Client ID Collision via Unescaped Hyphen",
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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/jupyterhub-through-6.0.1-oauth-client-id-collision-via-unescaped-hyphen"
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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": "HaiND from the Post and Telecommunication Institute of Technology",
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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": "2026-10-13T15:49:31.629227Z",
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"id": "CVE-2026-108752",
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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": "2026-10-13T17:00:17.356Z"
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}
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}
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]
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}
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} |