Vulnpedia
← All CVEs

CVE-2026-59310

CRITICAL 9.8 KNOWN EXPLOITED

Published 2026-07-30 · Last modified 2026-08-19

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.

ACTIVELY EXPLOITED

Confirmed exploited in the wild — in CISA KEV since 2026-08-18. Patch or mitigate now.

Exploitation likelihood

45.9%chance of exploitation in 30 days · 99th percentile

● In CISA KEV (2026-08-18) ○ Public exploit / PoC

Impact if exploited

9.8CVSS 3.1 · CRITICAL

  • ConfidentialityHigh
  • IntegrityHigh
  • AvailabilityHigh

What an attacker needs

  • ✓Access: Reachable over the network — no local access needed
  • ✓Privileges: No account or privileges required
  • ✓User interaction: No user interaction needed
  • ✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept & exploit code

Test against your own equipment

curl -s https://vulnpedia.com/cve/CVE-2026-59310/poc.jsonMachine-readable PoC index for this CVE (for automation).

Listed for defensive triage, patch verification, and authorized testing on systems you own. Machine-readable: /cve/CVE-2026-59310/poc.json

Affected

Vendors Vmware

Products Cloud Foundation Vsphere Foundation Vcenter Telco Cloud Infrastructure Telco Cloud Platform Vcenter Server

Weakness (CWE)

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

CVSS vector

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

Known Affected Software Configurations

VendorProductVersion range
VmwareVcenter Server< 8.0
VmwareVcenter Server8.0
VmwareVcenter Server8.0
VmwareVcenter Server8.0
VmwareVcenter Server8.0
VmwareVcenter Server8.0
VmwareVcenter Server8.0
VmwareVcenter Server8.0
VmwareVcenter Server8.0
VmwareVcenter Server8.0
VmwareVcenter Server8.0
VmwareVcenter Server8.0
VmwareVcenter Server8.0
VmwareVcenter Server8.0
VmwareVcenter Server8.0
VmwareVcenter Server8.0
VmwareVcenter Server8.0
VmwareVcenter Server8.0
VmwareVcenter Server8.0
VmwareVcenter Server8.0
VmwareVcenter Server8.0
VmwareVcenter Server8.0
VmwareVcenter Server8.0
VmwareVcenter Server8.0
VmwareVcenter Server8.0
VmwareVcenter Server8.0
VmwareVcenter Server8.0
VmwareVcenter Server≥ 9.0 and < 9.0.2.0100
VmwareVcenter Server≥ 9.1 and < 9.1.0.0300

All CVSS metrics

  • CRITICAL 9.8 v3.1 · CNA Primary
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CRITICAL 9.8 v3.1 · NVD Secondary
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Advisories

Sources: NVD · CVE.org · EPSS