190 lines
7.7 KiB
JSON
190 lines
7.7 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-2026-92761",
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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": "2026-09-16T19:06:20.513Z",
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"datePublished": "2026-09-16T20:32:28.410Z",
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"dateUpdated": "2026-09-21T17:48:40.749Z"
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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": "2026-09-16T20:32:28.410Z"
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},
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"datePublic": "2026-06-21T00:00:00.000Z",
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"title": "WebVirtCloud Missing Authorization on Instance Control Actions",
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"descriptions": [
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{
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"lang": "en",
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"value": "WebVirtCloud fails to properly validate permission flags in UserInstance grants, allowing view-only users to perform privileged actions. Attackers with read-only grants can power off virtual machines, reset root passwords, install SSH keys, and manage ISO images by exploiting the get_instance gate that only checks grant existence."
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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 Authorization",
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"cweId": "CWE-862",
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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": "retspen",
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"product": "webvirtcloud",
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"defaultStatus": "unaffected",
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"versions": [
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{
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"version": "1b2da68b2800f94674dd96f4a986cde30ac88280",
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"status": "affected",
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"versionType": "git"
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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:L/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": "LOW",
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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": 8.7,
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"baseSeverity": "HIGH"
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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:L/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": "LOW",
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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": 8.8,
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"baseSeverity": "HIGH"
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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/retspen/webvirtcloud/issues/682",
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"tags": [
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"issue-tracking"
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],
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"name": "GitHub Issue #682"
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},
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{
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"url": "https://github.com/retspen/webvirtcloud",
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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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"url": "https://github.com/retspen/webvirtcloud/blob/1b2da68b2800f94674dd96f4a986cde30ac88280/instances/views.py#L316-L330",
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"tags": [
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"technical-description"
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],
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"name": "get_instance checks only that a grant exists, not its flags"
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},
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{
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"url": "https://github.com/retspen/webvirtcloud/blob/1b2da68b2800f94674dd96f4a986cde30ac88280/instances/views.py#L356-L363",
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"tags": [
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"technical-description"
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],
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"name": "poweroff authorizes with get_instance alone"
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},
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{
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"url": "https://github.com/retspen/webvirtcloud/blob/1b2da68b2800f94674dd96f4a986cde30ac88280/instances/views.py#L538-L546",
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"tags": [
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"technical-description"
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],
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"name": "resizevm_cpu shows the intended is_change enforcement"
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},
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{
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"name": "VulnCheck Advisory: WebVirtCloud Missing Authorization on Instance Control Actions",
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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/webvirtcloud-missing-authorization-on-instance-control-actions"
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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": "George Chen",
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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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"references": [
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{
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"url": "https://github.com/retspen/webvirtcloud/issues/682",
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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": "2026-09-21T17:48:35.204918Z",
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"id": "CVE-2026-92761",
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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": "total"
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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": "2026-09-21T17:48:40.749Z"
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}
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}
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]
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}
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} |