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CVE-2026-59310

vCenter directory-traversal vulnerability

  • Critical 9.8
  • Exploited: added to CISA KEV 18 Aug 2026
  • Used in ransomware campaigns

Description

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.

Key facts

Published
30 Jul 2026
Last changed
12 Sep 2026
Assigned by
vmware
KEV added
18 Aug 2026
KEV fix due
21 Aug 2026
Used in ransomware
Yes, according to CISA
EPSS
61.668% likely to be exploited in the next 30 days, higher than 99.185% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: active; Automatable: yes; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 9.8CVSS 3.1, Criticalfrom the CNA (vmware)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What to do

  • 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 KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
VMwareCloud Foundation
  • Default status: unaffected
  • 9.1.x.x (affected)
  • 9.0.x.x (affected)
  • 5.x (affected)
VMwarevSphere Foundation
  • Default status: unaffected
  • 9.1.x.x (affected)
  • 9.0.x.x (affected)
VMwarevCenter
  • Default status: unaffected
  • 9.1.x.x up to but excluding 9.1.0.0300 (affected)
  • 9.0.x.x up to but excluding 9.0.2.0100 (affected)
  • 8.0 up to but excluding 8.0 U3k (affected)
VMwareTelco Cloud Infrastructure
  • Default status: unaffected
  • 3.0 (affected)
VMwareTelco Cloud Platform
  • Default status: unaffected
  • 5.1.x (affected)
  • 5.0.x (affected)
  • 4.x (affected)
  • 3.0 (affected)

Timeline

  1. 30 Jul 2026 Published
  2. 18 Aug 2026 CVE-2026-59310 added to CISA KEV
  3. 18 Aug 2026 Added to the CISA KEV catalogue

Weakness

Practice this bug class

HackZoneLabs has a hands-on lab on Path traversal (CWE-22).

Open the learning platform

References