CVE-2026-59310: Broadcom VMware vCenter Path Traversal Vulnerability
Advisory generated from the CVE record, CISA, Exploit Observer and VEDAS: what it is, whether it is exploited, who is affected, and how to fix and detect it.
Generated by VEDAS. Scores as of 2026-11-01 19:19 UTC. Rebuilt every few hours from cve-scores, CISA KEV and vedas-signatures. How this works and its limits.
What it is
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.
Description quoted from the CVE record (assigned by vmware, published 2026-07-30).
Weakness: CWE-22 Improper Limitation of a Pathname to a Restricted Directory (‘Path Traversal’)
How it can be exploited
Exploitable over the network with low attack complexity needing no privileges and no user interaction. Impact: confidentiality high, integrity high, availability high. CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA assessment (SSVC): CISA assesses exploitation as active. Automatable: yes. Technical impact: total.
- On CISA KEV since
- 2026-08-18
- US federal deadline
- 2026-08-21
- Ransomware use
- Yes
Public exploit evidence (Exploit Observer)
Also known as: BDU:2026-11333, EUVD-2026-51097, GHSA-v2gp-49gj-2c9f
VEDAS cluster: VEDAS:FOXTROTFORTRESS
Exploit Observer links 7 pieces of public exploit code or detection modules that name this CVE or one of its aliases.
Exploit code and modules (7)
Code that names this CVE. A repository can be a working exploit, a scanner, a fake or malware; read it before running anything.
- Code repository: https://github.com/biutrap/cve-2026-59310
- Code repository: https://github.com/chinaran0/cve-2026-59310-poc
- Code repository: https://github.com/vpxuser/cve-2026-59310
- Code repository: https://github.com/zgsfsec/cve-2026-59310-poc
- Code repository: https://raw.githubusercontent.com/ARPSyndicate/vedas-signatures/main/suricata/2026/CVE-2026-59310.rules
- Code repository: https://raw.githubusercontent.com/ARPSyndicate/vedas-signatures/main/suricata/2026/CVE-2026-59310.rules
- Code repository: https://raw.githubusercontent.com/ARPSyndicate/vedas-signatures/main/suricata/2026/CVE-2026-59310.rules
Research and write-ups (1)
- Research or write-up: https://mobeta.fr/blog/vcenter-cve-2026-59309-cve-2026-59310
Vulnerability databases and vendor advisories (5)
Catalogue entries, not exploit evidence.
- Vulnerability database or vendor advisory: https://euvd.enisa.europa.eu/enisa/EUVD-2026-51097
- Vulnerability database or vendor advisory: https://github.com/advisories/GHSA-v2gp-49gj-2c9f
- Vulnerability database or vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-59310
- Vulnerability database or vendor advisory: https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/VMSA-2026-0006--VMware-ESX--vCenter--Workstation--and-Fusion-updates-address-multiple-vulnerabilities--CVE-2026-59309--CVE-2026-59310--CVE-2026-47876--CVE-2026-41703--CVE-2026-41709-/38017
- Vulnerability database or vendor advisory: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-59310
News (1)
27 more references returned by Exploit Observer did not name this CVE or an alias, so they are left out.
VEDAS data as of 2026-11-01T17:12 UTC; fetched 2026-11-02.
Live scores
- EPSS
- 0.026
some chance of attack soon - VEDAS
- 0.987
strong exploit evidence - On CISA KEV
- Yes, since 2026-08-18
- Detection rule
- Suricata
Thin horizontal line: the “likely” (EPSS 0.10) or “strong” (VEDAS 0.90) threshold. Shaded “no data” areas are periods when cve-scores did not publish. The vertical line is the day CISA added it to its exploited list.
Who is affected
| Product | Affected | Not affected |
|---|---|---|
| VMware Cloud Foundation | version 9.1.x.x version 9.0.x.x version 5.x | Not stated |
| VMware vSphere Foundation | version 9.1.x.x version 9.0.x.x | Not stated |
| VMware vCenter | from 9.1.x.x before 9.1.0.0300 from 9.0.x.x before 9.0.2.0100 from 8.0 before 8.0 U3k | Not stated |
| VMware Telco Cloud Infrastructure | version 3.0 | Not stated |
| VMware Telco Cloud Platform | version 5.1.x version 5.0.x version 4.x version 3.0 | Not stated |
Version ranges exactly as the CVE record states them. “Before X” means X is the first fixed version.
Exploit Observer also maps it to: broadcom_inc. vmware_cloud_foundation, broadcom_inc. vmware_telco_cloud_infrastructure, broadcom_inc. vmware_telco_cloud_platform, broadcom_inc. vmware_vcenter_server, broadcom_inc. vmware_vsphere_foundation, vmware vcenter_server.
How to fix it
Fixed versions stated in the CVE record: 9.1.0.0300, 9.0.2.0100, 8.0 U3k.
CISA 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.
Vendor guidance:
- https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/38017
- https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk
- 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
How to detect it
Suricata rules (network detection)
2 rules that alert on traffic matching this exploit: VEDAS CVE-2026-59310 VMware vCenter Syslog - Path Traversal. Add them to your Suricata rule set and reload.
Show the rules
# network-only (unauthenticated syslog path traversal -> arbitrary file write as root -> RCE, KEV/in-the-wild; non-HTTP syslog vector, no active check)
alert udp $EXTERNAL_NET any -> $HOME_NET 514 (msg:"VEDAS CVE-2026-59310 VMware vCenter Syslog - Path Traversal"; content:"rsyslog/.."; nocase; fast_pattern; classtype:attempted-admin; reference:cve,CVE-2026-59310; reference:url,https://www.exploit.observer/?keyword=CVE-2026-59310&match=exact; reference:url,https://subdomain.center/?engine=ammonites&keyword=vcenter&match=exact; metadata:signature_type network_only; sid:1019286; rev:1;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 514 (msg:"VEDAS CVE-2026-59310 VMware vCenter Syslog - Path Traversal"; flow:established,to_server; content:"rsyslog/.."; nocase; fast_pattern; classtype:attempted-admin; reference:cve,CVE-2026-59310; reference:url,https://www.exploit.observer/?keyword=CVE-2026-59310&match=exact; reference:url,https://subdomain.center/?engine=ammonites&keyword=vcenter&match=exact; metadata:signature_type network_only; sid:1019287; rev:1;)
CVE-2026-59310.rules on GitHub
Advisories on this CVE
- VMware vCenter Syslog directory traversal to RCE (CVE-2026-59310, plus CVE-2026-59309) (18 Aug 2026)
References
Exploits and technical analysis
- 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://medium.com/@quirso_de/active-exploitation-of-cve-2026-59310-361-victim-ips-across-47-countries-9783187cc6ff (third-party-advisory)
Government sources
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-59310 (government-resource)
Other references
Other databases
Where this comes from
This advisory is generated automatically by VEDAS from: CVE.org record, CISA KEV, cve-scores (EPSS and VEDAS), Exploit Observer, vedas-signatures. Text in quotes is reproduced from the source; everything else is a fixed template filled with source fields. Nothing here is written by a language model. Check the vendor advisory before acting, and read how VEDAS and Exploit Observer work, and their limits.