Proxmox CVE

Missing privilege checks when configuring scheduled tape backup jobs

PSA-2026-00062-1 PBS

Affected packages

proxmox-backup-server

Details

A user with sufficient privileges to set up a tape backup job could reference any datastore or tape media pool/drive in the created job config.

This issue was reported privately by Project Loupe.

Fixed in

  • proxmox-backup-server >= 4.2.7-1

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