CVEs / CVE-2026-59310
CVE-2026-59310: Broadcom VMware vCenter Path Traversal Vulnerability
- Known exploited in the CISA KEV catalog since 18 Aug 2026
- critical 9.8 CVSS 3.1 (from the CNA)
- EPSS 2.56% chance of exploitation in the next 30 days, higher than 85% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Broadcom VMware vCenter contains a path traversal vulnerability which could allow a threat actor with network access to vCenter to execute arbitrary code.
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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| VMware Cloud Foundation | 9.1.x.x | — |
| VMware Cloud Foundation | 9.0.x.x | — |
| VMware Cloud Foundation | 5.x | — |
| VMware vSphere Foundation | 9.1.x.x | — |
| VMware vSphere Foundation | 9.0.x.x | — |
| VMware vCenter | from 9.1.x.x, before 9.1.0.0300 | 9.1.0.0300 |
| VMware vCenter | from 9.0.x.x, before 9.0.2.0100 | 9.0.2.0100 |
| VMware vCenter | from 8.0, before 8.0 U3k | 8.0 U3k |
| VMware Telco Cloud Infrastructure | 3.0 | — |
| VMware Telco Cloud Platform | 5.1.x | — |
| VMware Telco Cloud Platform | 5.0.x | — |
| VMware Telco Cloud Platform | 4.x | — |
| VMware Telco Cloud Platform | 3.0 | — |
Exploitation
| In CISA KEV since | 18 Aug 2026 |
|---|---|
| Due date for US federal agencies | 21 Aug 2026 |
| Used in ransomware campaigns | Known |
| 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. |
Severity
| CVSS 3.1 | 9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HScored by the CNA ([email protected]) |
|---|---|
| Weakness | CWE-22 |
References
- CVE-2026-59310 on NVD
- CVE-2026-59310 in the CISA KEV catalog
- https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/38017 (cited by CISA)
- https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk (cited by CISA)
- https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk (cited by CISA)
- https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/38017 Vendor Advisory
- https://medium.com/@quirso_de/active-exploitation-of-cve-2026-59310-361-victim-ips-across-47-countries-9783187cc6ff Third Party Advisory
- https://medium.com/@quirso_de/global-exploitation-of-cve-2026-59310-by-suspected-chinese-nexus-apt-related-cve-2026-59309-443a79e1466d Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-59310 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.