CVE-2026-59310: VMware vCenter · Path Traversal
Affects VMware vCenterSource CVE Database V5
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
- 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:HExploitation evidence
t = 0 is the CVE’s publication on cve.org
Disclosed: evidence found.
CVE published 30 Jul 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: evidence found.
Public exploit code: GitHub proofs of concept
Exploited in the wildExploited: evidence found.
Listed in CISA KEV 19 days after disclosure
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
Timeline
CVE ID reserved
by VMware by Broadcom
, 26 days before disclosure
CVE published
on cve.org
, t = 0
In Threat Radar
record ingested
, 33 minutes after disclosure
Added to CISA KEV (opens in a new tab)
exploitation confirmed · ransomware use known
, 19 days after disclosure
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
| Product | Affected | Fixed in |
|---|---|---|
| VMwareCloud Foundation | Affected
| Fixed in– |
| VMwarevSphere Foundation | Affected
| Fixed in– |
| VMwarevCenter | Affected
| Fixed in
|
| VMwareTelco Cloud Infrastructure | Affected
| Fixed in– |
| VMwareTelco Cloud Platform | Affected
| 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
- support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/38017 (opens in a new tab)
- medium.com/@quirso_de/global-exploitation-of-cve-2026-59310-by-suspected-chinese-nexus-apt-related-cve-2026-59309-443a79e1466d (opens in a new tab)
- medium.com/@quirso_de/active-exploitation-of-cve-2026-59310-361-victim-ips-across-47-countries-9783187cc6ff (opens in a new tab)
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-59310 (opens in a new tab)