Is CVE-2026-59310 actively exploited?

Yes. KEV Intelligence tracks CVE-2026-59310 as a known exploited vulnerability. Confidence is confirmed.

What exploitation activity has KEV Intelligence observed?

KEV Intelligence has not yet recorded sensor-observed exploitation attempts for CVE-2026-59310. Our sensors continue to monitor for activity targeting this CVE.

Which versions are affected?

CVE-2026-59310 affects VMware Cloud Foundation and 4 other products. KEV Intelligence lists 13 version rows; examples include 9.1.x.x, 9.0.x.x, and 5.x.

Yes. CVE-2026-59310 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog. KEV Intelligence attested it 6 days ahead of CISA.

CVE-2026-59310 Exploited in the Wild — Cloud Foundation, vSphere Foundation, vCenter, Telco Cloud Infrastructure, Telco Cloud Platform

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2026-59310 is an unauthenticated vCenter directory-traversal vulnerability affecting VMware Cloud Foundation and 4 other products. VMware vCenter contains a directory traversal vulnerability in the Syslog...

Is it exploited?

Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is confirmed.

Who is affected?

VMware / Cloud Foundation 9.1.x.x.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

vCenter directory-traversal vulnerability

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.

Vendor Product Affected Status

VMware Cloud Foundation 9.1.x.x Affected

VMware Cloud Foundation 9.0.x.x Affected

VMware Cloud Foundation 5.x Affected

VMware vSphere Foundation 9.1.x.x Affected

VMware vSphere Foundation 9.0.x.x Affected

VMware vCenter Before 9.1.0.0300 Affected

VMware vCenter Before 9.0.2.0100 Affected

VMware vCenter Before 8.0 U3k Affected

VMware Telco Cloud Infrastructure 3.0 Affected

VMware Telco Cloud Platform 5.1.x Affected

VMware Telco Cloud Platform 5.0.x Affected

VMware Telco Cloud Platform 4.x Affected

VMware Telco Cloud Platform 3.0 Affected

Published: 30 Jul 2026
Exploitation Reported: 12 Aug 2026
Attack vector: Remote
Complexity: Low
Privileges: None
User interaction: None

CVE References

CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2026-59310
support.broadcom.com/web/ecx/support-content-notification/-/exter... support.broadcom.com · CVE Record https://support.broadcom.com/web/ecx/support-content-notification/-/e...

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

TheHackerNews

Recorded 12 Aug 2026

Independent exploitation attestation added to the KEV Intelligence record.

Proof of concept available

GitHub

Recorded 17 Aug 2026

Public scanner or PoC coverage increases practical exploitability.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.

Learn about Pro API access

Source	Added
TheHackerNews First	2026-08-12 10:47 UTC
BleepingComputer	2026-08-13 16:40 UTC
CISA	2026-08-18 16:52 UTC
CVE	2026-08-18 17:51 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets: 0
User-Agents: 0

Raw values available in Pro and Enterprise.

Scanner coverage

No scanner integrations recorded yet.

Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

No detection artifacts or sensor request patterns are available for this CVE yet.

Check back as sensor telemetry and scanner integrations are updated.

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

9.8 Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

1.1%

Weaknesses

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') CWE-22

Recent mention · TheHackerNews

Suspected China-Nexus Actor Exploits VMware vCenter Flaw, Deploys Babuk-Derived Ransomware

Cybersecurity researchers have attributed the exploitation of a newly patched security flaw in Broadcom VMware vCenter to a suspected China-nexus advanced persistent threat (APT). The attacks involve the exploitation of CVE-2026-59310 (CVSS score: 9.8), a severe...

Read full advisory

All Mentions

Recent mention · TheHackerNews

Suspected China-Nexus Actor Exploits VMware vCenter Flaw, Deploys Babuk-Derived Ransomware

TheHackerNews · 17 Aug 2026

Cybersecurity researchers have attributed the exploitation of a newly patched security flaw in Broadcom VMware vCenter to a suspected China-nexus advanced persistent threat (APT). The attacks involve the exploitation of CVE-2026-59310 (CVSS score: 9.8), a severe directory-traversal vulnerability in the VMware vCenter server that could be weaponized by a malicious actor to execute arbitrary code

Recent mention · BleepingComputer

Critical VMware vCenter RCE flaw exploited for reverse SSH access

BleepingComputer · 13 Aug 2026

A recently patched critical vulnerability (CVE-2026-59310) in VMware vCenter Syslog Server is being exploited in an active campaign to deploy a reverse SSH tool for persistence and remote access. [...]

Recent mention · TheHackerNews

Attackers Exploit VMware vCenter Vulnerability to Gain Persistent Remote Access

TheHackerNews · 12 Aug 2026

Threat actors have begun to actively exploit a recently patched critical security flaw in Broadcom VMware vCenter, according to new findings from QUIRSO. The vulnerability in question is CVE-2026-59310 (CVSS score: 9.8), a directory-traversal vulnerability in the VMware vCenter server that a malicious actor with network access can exploit to execute arbitrary code. Patches for the flaw were

Recent mention · Rapid7

Critical VMware vCenter Vulnerabilities Allow Authentication Bypass and Remote Code Execution (CVE-2026-59309, CVE-2026-59310)

Rapid7 · 30 Jul 2026

OverviewOn July 29, 2026, Broadcom published security advisory VMSA-2026-0006 addressing multiple vulnerabilities in several VMWare products. Included in the advisory are two critical remotely exploitable vulnerabilities affecting VMware vCenter Server: CVE-2026-59309 and CVE-2026-59310. Both vulnerabilities carry CVSSv3.1 base scores of 9.8 and can be exploited by unauthenticated attackers with network access to a vulnerable vCenter Server.CVECVSSv3.1Description SummaryCVE-2026-593099.8 (Critical)An authentication bypass vulnerability in the VMware Directory Service of vCenter that could...

Potential Proof of Concepts

These PoCs are unverified and could contain malware. Use at your own risk.

BiuTrap/CVE-2026-59310

github · Created 2026-08-17 10:09:51 UTC · 0 stars · AI assessment 85%

CVE-2026-59310 PoC

HORKimhab/CVE-2026-59310

github · Created 2026-08-17 07:51:46 UTC · 0 stars · AI assessment 90%

CVE-2026-59310

Timeline

From disclosure to observed exploitation

18 Aug 2026
KEV confirmed by CVE

Exploitation attested by an external source
18 Aug 2026
Added to CISA KEV

Listed in the CISA Known Exploited Vulnerabilities catalog
17 Aug 2026
Public PoC available

Public proof-of-concept code published
13 Aug 2026
KEV confirmed by BleepingComputer

Exploitation attested by an external source
12 Aug 2026
Added to KEV Intelligence KEV Feed

High-confidence, third-party attested exploitation
30 Jul 2026
CVE published

Vulnerability disclosed publicly
04 Jul 2026
CVE ID reserved

Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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Evidence confidence and provenance
First-party sensor telemetry
PoC and scanner references
Affected versions and enrichment
Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2026-59310

Free JSON includes basic KEV fields

{
  "cve_id": "CVE-2026-59310",
  "confidence": "Confirmed",
  "cvss_score": 9.8,
  "cvss_estimated": false,
  "epss_score": 0.0114,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

CVE-2026-59310

What security teams need to know first

vCenter directory-traversal vulnerability

Tags

CVE References

Why KEV Intelligence marks this CVE as exploited

Exploited in the wild

Proof of concept available

Known exploited vulnerability sources

Operational artifacts and observed signals

Observed signals

Scanner coverage

Virtual patch status

Severity, weaknesses, and research context

Weaknesses

Suspected China-Nexus Actor Exploits VMware vCenter Flaw, Deploys Babuk-Derived Ransomware

All Mentions

Potential Proof of Concepts

From disclosure to observed exploitation

KEV confirmed by CVE

Added to CISA KEV

Public PoC available

KEV confirmed by BleepingComputer

Added to KEV Intelligence KEV Feed

CVE published

CVE ID reserved

Automate this intelligence

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