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Known Exploited Vulnerability
9.8
CRITICAL CVSS 3.1
CVE-2026-59310
Broadcom VMware vCenter Path Traversal Vulnerability - [Actively Exploited]
Overview
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.

Details
INFO

Published Date :

July 30, 2026, 1:16 p.m.

Last Modified :

Aug. 19, 2026, 4:17 a.m.

Remotely Exploit :

Yes !

Source :

[email protected]
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

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.

Known Ransomware Campaign Use:

Unknown

Notes :

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

Impact
Affected Products

The following products are affected by CVE-2026-59310 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Vmware vcenter_server
2 Vmware vcenter
3 Vmware cloud_foundation
4 Vmware cloud_foundation
5 Vmware telco_cloud_platform
6 Vmware telco_cloud_infrastructure
7 Vmware vsphere_foundation
: Total Affected Vendor : 1 | Products : 7
Scoring
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 CRITICAL dcf2e128-44bd-42ed-91e8-88f912c1401d
CVSS 3.1 CRITICAL [email protected]
Solution
Update VMware vCenter to patch the directory traversal vulnerability in the Syslog server.
  • Update VMware vCenter to the latest version.
  • Apply vendor-provided security patches for Syslog server.
References
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-59310.

URL Resource
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
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-59310 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-59310 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-59310 vulnerability anywhere in the article.

  • The Hacker News
Critical macOS, SharePoint, vCenter, and Microsoft IKE Flaws Under Active Exploitation

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added four critical vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, stating they are being exploited i ... Read more

Published Date: Aug 19, 2026 (14 hours, 32 minutes ago)
  • The Hacker News
Suspected China-Nexus Actor Exploits VMware vCenter Flaw, Deploys Babuk-Derived Ransomware

Cybersecurity researchers have attributed the exploitation of a newly patched security flaw in Broadcom VMware vCenter to a suspected China-nexus advanced persistent threat (APT). The attacks involve ... Read more

Published Date: Aug 17, 2026 (2 days, 17 hours ago)
  • TheCyberThrone
CVE-2026-59310: Critical VMware vCenter Vulnerability

CVE-2026-59310 is a critical directory-traversal vulnerability in the VMware vCenter Server Syslog server that deserves immediate attention from infrastructure and security teams.Published by Broadcom ... Read more

Published Date: Aug 16, 2026 (3 days, 13 hours ago)
  • The Hacker News
Attackers Exploit VMware vCenter Vulnerability to Gain Persistent Remote Access

Threat actors have begun to actively exploit a recently patched critical security flaw in Broadcom VMware vCenter, according to new findings from QUIRSO. The vulnerability in question is CVE-2026-5931 ... Read more

Published Date: Aug 12, 2026 (1 week ago)
  • TheCyberThrone
Broadcom Fixes Multiple Critical VMware Vulnerabilities

Virtualization platforms sit at the heart of modern enterprise infrastructure. They host business-critical workloads, enable private cloud deployments, and provide centralized management for thousands ... Read more

Published Date: Aug 03, 2026 (2 weeks, 2 days ago)

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2026-59310 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Aug. 19, 2026

    Action Type Old Value New Value
    Changed SSVC {'id': 'CVE-2026-59310', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'active'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-08-18T17:44:09.652188Z'} {'id': 'CVE-2026-59310', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'active'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-07-29T00:00:00+00:00'}
  • Initial Analysis by [email protected]

    Aug. 18, 2026

    Action Type Old Value New Value
    Added CPE Configuration AND OR *cpe:2.3:a:vmware:vcenter_server:8.0:update1:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:8.0:update1a:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:8.0:a:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:8.0:b:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:8.0:c:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:8.0:-:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:8.0:update1c:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:8.0:update1b:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:8.0:update1d:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:8.0:update2:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:8.0:update2a:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:8.0:update2b:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:8.0:update2c:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:8.0:update1e:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:8.0:update2d:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:*:*:*:*:*:*:*:* versions up to (excluding) 8.0 *cpe:2.3:a:vmware:vcenter_server:8.0:update2e:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:8.0:update3:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:8.0:update3a:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:8.0:update3b:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:8.0:update3c:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:8.0:update3d:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:8.0:update3e:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:8.0:update3g:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:8.0:update3h:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:8.0:update3i:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:8.0:update3j:*:*:*:*:*:* OR cpe:2.3:a:vmware:telco_cloud_infrastructure:3.0:*:*:*:*:*:*:* cpe:2.3:a:vmware:telco_cloud_platform:*:*:*:*:*:*:*:* versions from (including) 3.0 up to (including) 5.2
    Added CPE Configuration AND OR *cpe:2.3:a:vmware:vcenter_server:*:*:*:*:*:*:*:* versions from (including) 9.0 up to (excluding) 9.0.2.0100 *cpe:2.3:a:vmware:vcenter_server:*:*:*:*:*:*:*:* versions from (including) 9.1 up to (excluding) 9.1.0.0300 OR cpe:2.3:a:vmware:cloud_foundation:-:*:*:*:*:*:*:* cpe:2.3:a:vmware:vsphere_foundation:-:*:*:*:*:*:*:*
    Added Reference Type VMware: https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/38017 Types: Vendor Advisory
    Added Reference Type CISA-ADP: https://medium.com/@quirso_de/active-exploitation-of-cve-2026-59310-361-victim-ips-across-47-countries-9783187cc6ff Types: Third Party Advisory
    Added Reference Type CISA-ADP: https://medium.com/@quirso_de/global-exploitation-of-cve-2026-59310-by-suspected-chinese-nexus-apt-related-cve-2026-59309-443a79e1466d Types: Third Party Advisory
    Added Reference Type CISA-ADP: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-59310 Types: US Government Resource
  • CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725

    Aug. 18, 2026

    Action Type Old Value New Value
    Added Date Added 2026-08-18
    Added Due Date 2026-08-18
    Added Required Action 2026-08-18
    Added Vulnerability Name 2026-08-18
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Aug. 18, 2026

    Action Type Old Value New Value
    Added Reference https://medium.com/@quirso_de/active-exploitation-of-cve-2026-59310-361-victim-ips-across-47-countries-9783187cc6ff
    Added Reference https://medium.com/@quirso_de/global-exploitation-of-cve-2026-59310-by-suspected-chinese-nexus-apt-related-cve-2026-59309-443a79e1466d
    Added Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-59310
    Changed SSVC {'id': 'CVE-2026-59310', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-07-29T00:00:00+00:00'} {'id': 'CVE-2026-59310', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'active'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-08-18T17:44:09.652188Z'}
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Aug. 14, 2026

    Action Type Old Value New Value
    Changed SSVC {'id': 'CVE-2026-59310', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-08-13T13:14:21.191934Z'} {'id': 'CVE-2026-59310', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-07-29T00:00:00+00:00'}
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Aug. 13, 2026

    Action Type Old Value New Value
    Changed SSVC {'id': 'CVE-2026-59310', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-07-29T00:00:00+00:00'} {'id': 'CVE-2026-59310', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-08-13T13:14:21.191934Z'}
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Aug. 13, 2026

    Action Type Old Value New Value
    Changed SSVC {'id': 'CVE-2026-59310', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-07-30T15:03:18.384404Z'} {'id': 'CVE-2026-59310', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-07-29T00:00:00+00:00'}
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 30, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2026-59310', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-07-30T15:03:18.384404Z'}
  • New CVE Received by [email protected]

    Jul. 30, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'VMware', 'product': 'Cloud Foundation', 'versions': [{'status': 'affected', 'version': '9.1.x.x'}, {'status': 'affected', 'version': '9.0.x.x'}, {'status': 'affected', 'version': '5.x'}], 'defaultStatus': 'unaffected'}, {'vendor': 'VMware', 'product': 'vSphere Foundation', 'versions': [{'status': 'affected', 'version': '9.1.x.x'}, {'status': 'affected', 'version': '9.0.x.x'}], 'defaultStatus': 'unaffected'}, {'vendor': 'VMware', 'product': 'vCenter', 'versions': [{'status': 'affected', 'version': '9.1.x.x', 'lessThan': '9.1.0.0300', 'versionType': 'custom'}, {'status': 'affected', 'version': '9.0.x.x', 'lessThan': '9.0.2.0100', 'versionType': 'custom'}, {'status': 'affected', 'version': '8.0', 'lessThan': '8.0 U3k', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}, {'vendor': 'VMware', 'product': 'Telco Cloud Infrastructure', 'versions': [{'status': 'affected', 'version': '3.0'}], 'defaultStatus': 'unaffected'}, {'vendor': 'VMware', 'product': 'Telco Cloud Platform', 'versions': [{'status': 'affected', 'version': '5.1.x'}, {'status': 'affected', 'version': '5.0.x'}, {'status': 'affected', 'version': '4.x'}, {'status': 'affected', 'version': '3.0'}], 'defaultStatus': 'unaffected'}]
    Added 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.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-22
    Added Reference https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/38017
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CVSS
Vulnerability Scoring Details
Base CVSS Score: 9.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact