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VulnerabilityPublished Updated

CVE-2026-59310: VMware vCenter · Path Traversal

Affects VMware vCenterSource CVE Database V5

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Exploited in the wild · used in ransomware campaigns · KEV due 21 Aug 2026 · 2% EPSS · fixed in 9.1.0.0300 : patch VMware vCenter now.

Data as of 29 Oct 2026, 07:15 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
KEV deadline
 US federal agencies must patch by this date; a sensible deadline for everyone else. Other KEV due dates
Ransomware
Used in ransomware campaigns
EPSS
2.5% chance of exploitation in 30 days – higher than 85% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 9.1.0.0300, 9.0.2.0100, 8.0 U3k
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

t = 0 is the CVE’s publication on cve.org

  1. Disclosed: evidence found.

    CVE published 30 Jul 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: evidence found.

    Public exploit code: GitHub proofs of concept

  4. Exploited in the wild: evidence found.

    Listed in CISA KEV 19 days after disclosure

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

Timeline

  1. CVE ID reserved

    by VMware by Broadcom

    , 26 days before disclosure

  2. CVE published

    on cve.org

    , t = 0

  3. In Threat Radar

    record ingested

    , 33 minutes after disclosure

  4. Added to CISA KEV (opens in a new tab)

    exploitation confirmed · ransomware use known

    , 19 days after disclosure

  5. KEV remediation due

    US federal deadline

    , 22 days after disclosure

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), GitHub proofs of concept, CISA KEV (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

Upgrade VMware vCenter to 9.1.0.0300, 9.0.2.0100 or 8.0 U3k.

Affected software

ProductAffectedFixed in
VMwareCloud FoundationAffected
  • =9.1.x.x
  • =9.0.x.x
  • =>=5.0.0 <6.0.0
Fixed in–
VMwarevSphere FoundationAffected
  • =9.1.x.x
  • =9.0.x.x
Fixed in–
VMwarevCenterAffected
  • >=9.1.x.x <9.1.0.0300
  • >=9.0.x.x <9.0.2.0100
  • =8.0
Fixed in
  • 9.1.0.0300
  • 9.0.2.0100
  • 8.0 U3k
VMwareTelco Cloud InfrastructureAffected
  • =3.0
Fixed in–
VMwareTelco Cloud PlatformAffected
  • >=4.0.0 <5.0.0 – 3.0
4 affected builds
Fixed in–

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.

References

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