CVE-2026-59310
KEV: known exploited SSVC: activevCenter directory-traversal vulnerability
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack conditions and impact
Derived from the CNA (via NVD) CVSS 3.1 vectorThis vulnerability may be exploitable over the internet without authentication or user interaction.
| Metric | Value | Meaning |
|---|---|---|
| Attack vector AV | N | Network |
| Attack complexity AC | L | Low (easy) |
| Privileges required PR | N | None |
| User interaction UI | N | None |
| Scope S | U | Unchanged |
| Confidentiality C | H | High |
| Integrity I | H | High |
| Availability A | H | High |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
CISA KEV entry
Broadcom VMware vCenter Path Traversal Vulnerability — Broadcom / VMware vCenter
Broadcom VMware vCenter contains a path traversal vulnerability which could allow a threat actor with network access to vCenter to execute arbitrary code.
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.
https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/38017 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-59310
CVSS assessments
| Provider | Version | Score | Vector |
|---|---|---|---|
| NVD / [email protected] (Secondary) | 3.1 | 9.8 CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA / vmware | 3.1 | 9.8 CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products and packages
CNA (CVE.org)
| Vendor | Product | Versions |
|---|---|---|
| VMware | Cloud Foundation | affected: 9.1.x.x affected: 9.0.x.x affected: 5.x default: unaffected |
| VMware | vSphere Foundation | affected: 9.1.x.x affected: 9.0.x.x default: unaffected |
| VMware | vCenter | affected: 9.1.x.x … < 9.1.0.0300 affected: 9.0.x.x … < 9.0.2.0100 affected: 8.0 … < 8.0 U3k default: unaffected |
| VMware | Telco Cloud Infrastructure | affected: 3.0 default: unaffected |
| VMware | Telco Cloud Platform | affected: 5.1.x affected: 5.0.x affected: 4.x affected: 3.0 default: unaffected |
NVD CPE (29)
Show CPE list
| Vendor | Product | Range | CPE |
|---|---|---|---|
| vmware | vcenter_server | < 8.0 | cpe:2.3:a:vmware:vcenter_server:*:*:*:*:*:*:*:* |
| vmware | vcenter_server | cpe:2.3:a:vmware:vcenter_server:8.0:-:*:*:*:*:*:* | |
| vmware | vcenter_server | cpe:2.3:a:vmware:vcenter_server:8.0:a:*:*:*:*:*:* | |
| vmware | vcenter_server | cpe:2.3:a:vmware:vcenter_server:8.0:b:*:*:*:*:*:* | |
| vmware | vcenter_server | cpe:2.3:a:vmware:vcenter_server:8.0:c:*:*:*:*:*:* | |
| vmware | vcenter_server | cpe:2.3:a:vmware:vcenter_server:8.0:update1:*:*:*:*:*:* | |
| vmware | vcenter_server | cpe:2.3:a:vmware:vcenter_server:8.0:update1a:*:*:*:*:*:* | |
| vmware | vcenter_server | cpe:2.3:a:vmware:vcenter_server:8.0:update1b:*:*:*:*:*:* | |
| vmware | vcenter_server | cpe:2.3:a:vmware:vcenter_server:8.0:update1c:*:*:*:*:*:* | |
| vmware | vcenter_server | cpe:2.3:a:vmware:vcenter_server:8.0:update1d:*:*:*:*:*:* | |
| vmware | vcenter_server | cpe:2.3:a:vmware:vcenter_server:8.0:update1e:*:*:*:*:*:* | |
| vmware | vcenter_server | cpe:2.3:a:vmware:vcenter_server:8.0:update2:*:*:*:*:*:* | |
| vmware | vcenter_server | cpe:2.3:a:vmware:vcenter_server:8.0:update2a:*:*:*:*:*:* | |
| vmware | vcenter_server | cpe:2.3:a:vmware:vcenter_server:8.0:update2b:*:*:*:*:*:* | |
| vmware | vcenter_server | cpe:2.3:a:vmware:vcenter_server:8.0:update2c:*:*:*:*:*:* | |
| vmware | vcenter_server | cpe:2.3:a:vmware:vcenter_server:8.0:update2d:*:*:*:*:*:* | |
| vmware | vcenter_server | cpe:2.3:a:vmware:vcenter_server:8.0:update2e:*:*:*:*:*:* | |
| vmware | vcenter_server | cpe:2.3:a:vmware:vcenter_server:8.0:update3:*:*:*:*:*:* | |
| vmware | vcenter_server | cpe:2.3:a:vmware:vcenter_server:8.0:update3a:*:*:*:*:*:* | |
| vmware | vcenter_server | cpe:2.3:a:vmware:vcenter_server:8.0:update3b:*:*:*:*:*:* | |
| vmware | vcenter_server | cpe:2.3:a:vmware:vcenter_server:8.0:update3c:*:*:*:*:*:* | |
| vmware | vcenter_server | cpe:2.3:a:vmware:vcenter_server:8.0:update3d:*:*:*:*:*:* | |
| vmware | vcenter_server | cpe:2.3:a:vmware:vcenter_server:8.0:update3e:*:*:*:*:*:* | |
| vmware | vcenter_server | cpe:2.3:a:vmware:vcenter_server:8.0:update3g:*:*:*:*:*:* | |
| vmware | vcenter_server | cpe:2.3:a:vmware:vcenter_server:8.0:update3h:*:*:*:*:*:* | |
| vmware | vcenter_server | cpe:2.3:a:vmware:vcenter_server:8.0:update3i:*:*:*:*:*:* | |
| vmware | vcenter_server | cpe:2.3:a:vmware:vcenter_server:8.0:update3j:*:*:*:*:*:* | |
| vmware | vcenter_server | >= 9.0, < 9.0.2.0100 | cpe:2.3:a:vmware:vcenter_server:*:*:*:*:*:*:*:* |
| vmware | vcenter_server | >= 9.1, < 9.1.0.0300 | cpe:2.3:a:vmware:vcenter_server:*:*:*:*:*:*:*:* |
Linux distribution status
References (4)
- https://medium.com/@quirso_de/active-exploitation-of-cve-2026-59310-361-victim-ips-across-47-countries-9783187cc6ff NVD, ADP CISA-ADP Third Party Advisorythird-party-advisory
- https://medium.com/@quirso_de/global-exploitation-of-cve-2026-59310-by-suspected-chinese-nexus-apt-related-cve-2026-59309-443a79e1466d NVD, ADP CISA-ADP Third Party Advisorythird-party-advisory
- https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/38017 NVD, CNA Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-59310 NVD, ADP CISA-ADP US Government Resourcegovernment-resource