Exploitation evidence
Known exploited · CISA KEV listed
Added 2026-08-18. Ransomware campaign use: Known.
CISA required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
CISA due date: 2026-08-21. This is the catalog’s deadline, not an assessment of your organization’s exposure.
KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗Reported products and versions
VMware / Cloud Foundation
Default status: unaffected
- affected: 9.1.x.x
- affected: 9.0.x.x
- affected: 5.x
VMware / vSphere Foundation
Default status: unaffected
- affected: 9.1.x.x
- affected: 9.0.x.x
VMware / vCenter
Default status: unaffected
- affected: 9.1.x.x to < 9.1.0.0300 (custom)
- affected: 9.0.x.x to < 9.0.2.0100 (custom)
- affected: 8.0 to < 8.0 U3k (custom)
VMware / Telco Cloud Infrastructure
Default status: unaffected
- affected: 3.0
VMware / Telco Cloud Platform
Default status: unaffected
- affected: 5.1.x
- affected: 5.0.x
- affected: 4.x
- affected: 3.0
Fixes and workarounds
No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.
Sources and related reporting
CVE Program record ↗ · Download tracked evidence as JSON
- https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/38017
- https://medium.com/@quirso_de/global-exploitation-of-cve-2026-59310-by-suspected-chinese-nexus-apt-related-cve-2026-59309-443a79e1466d
- https://medium.com/@quirso_de/active-exploitation-of-cve-2026-59310-361-victim-ips-across-47-countries-9783187cc6ff
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-59310
Monitored source mentions
Shared CVE identifiers link source mentions; they do not establish that the reports describe the same incident.
Observed change timeline
History begins when Egret first downloads each source. It is not the complete upstream CVE history.
12 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-12",
"epss": 0.61668,
"percentile": 0.99183
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.61668,
"percentile": 0.99178
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.61668,
"percentile": 0.99176
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.61668,
"percentile": 0.99176
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.61668,
"percentile": 0.99175
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.02565,
"percentile": 0.85195
}06 Nov 2026, 06:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.02565,
"percentile": 0.85184
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.02565,
"percentile": 0.8517
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.02565,
"percentile": 0.85144
}03 Nov 2026, 06:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
{
"containers": {
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"other": {
"content": {
"id": "CVE-2026-59310",
"options": [
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{
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{
"Technical Impact": "total"
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"timestamp": "2026-07-29T00:00:00+00:00",
"version": "2.0.3"
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"type": "ssvc"
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},
{
"other": {
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"cna": {
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{
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{
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{
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{
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"status": "affected",
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{
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"status": "affected",
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{
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"product": "Telco Cloud Infrastructure",
"vendor": "VMware",
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{
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{
"status": "affected",
"version": "4.x"
},
{
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],
"datePublic": "2026-07-29T04:30:00.000Z",
"descriptions": [
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"supportingMedia": [
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"base64": false,
"type": "text/html",
"value": "VMware vCenter contains a directory traversal vulnerability in the Syslog server. <span>A malicious actor with network access to vCenter may exploit this issue to execute arbitrary code.</span><br><br>"
}
],
"value": "VMware vCenter contains a directory traversal vulnerability in the Syslog server. A malicious actor with network access to vCenter may exploit this issue to execute arbitrary code."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
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],
"problemTypes": [
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"descriptions": [
{
"cweId": "CWE-22",
"description": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')",
"lang": "en",
"type": "CWE"
}
]
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],
"providerMetadata": {
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"orgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d",
"shortName": "vmware"
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"references": [
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"url": "https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/38017"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "vCenter directory-traversal vulnerability",
"x_generator": {
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},
"cveMetadata": {
"assignerOrgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d",
"assignerShortName": "vmware",
"cveId": "CVE-2026-59310",
"datePublished": "2026-07-30T12:19:25.296Z",
"dateReserved": "2026-07-04T18:13:57.026Z",
"dateUpdated": "2026-09-12T03:55:18.047Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.02565,
"percentile": 0.85124
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2026-59310",
"cwes": [
"CWE-22"
],
"dateAdded": "2026-08-18",
"dueDate": "2026-08-21",
"forensicTriage": "Yes",
"knownRansomwareCampaignUse": "Known",
"notes": "https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/38017 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-59310",
"product": "VMware vCenter",
"requiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.",
"shortDescription": "Broadcom VMware vCenter contains a path traversal vulnerability which could allow a threat actor with network access to vCenter to execute arbitrary code.",
"vendorProject": "Broadcom",
"vulnerabilityName": "Broadcom VMware vCenter Path Traversal Vulnerability"
}