Unintended Proxy or Intermediary in VMware Tanzu velero - #VU153048
Published: October 1, 2026
Vulnerability identifier: #VU153048
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-441
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to compromise the target system.
The vulnerability exists due to missing phase validation in the "backupSyncReconciler.Reconcile()" function. A remote administrator can insert malicious exec hooks into a synced backup manifest in object storage and execute arbitrary shell commands inside target pods.
Affected software
VMware Tanzu velero
Remediation
Install updates from vendor's website.
VMware Tanzu velero - update to 1.18.3