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Fencer Intel
critical 9.8

CVE-2026-59310 kev+ ransomware in the critical feed json

vCenter directory-traversal vulnerability

published 3mo ago modified last mo. also EUVD-2026-51097

cvss
9.8
version 3.1, CNA
cisa kev
Exploited
added 2026-08-18, used in ransomware
epss
61.7%
EPSS 61.7% chance of exploitation in 30 days, percentile 99.1%
public exploits
0
none known

Summary

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.

Patch / fix

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.

  • VMware vCenter 8.0 U3k, 9.0.2.0100, 9.1.0.0300

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Timeline

  1. CISA SSVC: exploitation active
  2. Published
  3. Added to CISA KEV
  4. CISA patch deadline

Known exploited

Added
2mo ago
Patch by
2026-08-21 (2mo ago)
Ransomware
Known to be used in ransomware campaigns
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.
Vendor, product
Broadcom, VMware vCenter
CISA name
Broadcom VMware vCenter Path Traversal Vulnerability

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
yes
Technical impact
total
Assessed
3mo ago

Exploit prediction

61.67% chance of exploitation in the next 30 days, higher than 99.1% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • VMware Cloud Foundation
  • VMware vSphere Foundation
  • VMware vCenter
  • VMware Telco Cloud Infrastructure
  • VMware Telco Cloud Platform

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.