Subject: PSA-2026-00059-1: pxar/container restore target rootfs escape
Advisory date: 2026-10-07
Packages: pve-container, proxmox-backup-client, rust-pxar
Details:
An attacker with direct access to a PBS datastore configured as storage on a...
Subject: PSA-2026-00059-1: pxar/container restore target rootfs escape
Advisory date: 2026-10-07
Packages: pve-container, proxmox-backup-client, rust-pxar
Details:
An attacker with direct access to a PBS datastore configured as storage on a...
Subject: PSA-2026-00058-1: S3-Refresh path escape issue
Advisory date: 2026-10-07
Packages: proxmox-backup-server
Details:
Incomplete validation of an S3 object key returned by a configured S3 endpoint allowed an attacker with control over...
Subject: PSA-2026-00057-1: Missing privilege checks for local sync jobs
Advisory date: 2026-10-07
Packages: proxmox-backup-server
Details:
An attacker with highly privileged access to one datastore + namespace could set up a "local" sync job...
Subject: PSA-2026-00056-1: Missing privilege checks in GC status API
Advisory date: 2026-10-07
Packages: proxmox-backup-server
Details:
Missing privilege checks in the GC status API endpoint at /api2/json/admin/gc/{store} allowed an...
Subject: PSA-2026-00055-1: Incomplete validation of sync encryption/decryption key access
Advisory date: 2026-10-07
Packages: proxmox-backup-server
Details:
An attacker with Datastore.Modify or Datastore.Read on a datastore + namespace can...
Subject: PSA-2026-00054-1: Out-of-bounds read when processing malformed fixed-size index file
Advisory date: 2026-10-07
Packages: proxmox-backup-server
Details:
Missing overflow checks when handling the index and chunk size of a fixed-size...
Subject: PSA-2026-00053-1: PBS backup access includes host/NNN groups
Advisory date: 2026-10-01
Packages: libpve-storage-perl
Details:
If a configured PBS storage contained backup groups with type host, but numerical backup IDs, such...
Subject: PSA-2026-00052-1: Command injection via import of malicious OVA file
Advisory date: 2026-10-01
Packages: libpve-storage-perl, qemu-server
Details:
Insufficient restrictions of OVA member file names allowed an attacker with sufficient...
Subject: PSA-2026-00051-1: integrity bypass of encrypted backups on an untrusted PBS instance
Advisory date: 2026-09-24
Packages: proxmox-backup-client, proxmox-backup-file-restore, libproxmox-backup-qemu0
Details:
When a PBS client is...
Subject: PSA-2026-00051-1: integrity bypass of encrypted backups on an untrusted PBS instance
Advisory date: 2026-09-24
Packages: proxmox-backup-client, proxmox-backup-file-restore, libproxmox-backup-qemu0
Details:
When a PBS client is...
Subject: PSA-2026-00050-1: password change via incomplete username validation
Advisory date: 2026-09-21
Packages: pve-access-control
Details:
An attacker with sufficient privileges to create new PAM user entries (Realm.AllocateUser on...
Subject: PSA-2026-00049-1: PMG: Bypass of mail filters by crafted boundary parameters
Advisory date: 2026-09-21
Packages: pmg-api, libmime-tools-perl
Details:
Certain problematic strings used as Content-Type boundaries were not covered by the...
Subject: PSA-2026-00048-1: PMG: XSS in filename display in attachment quarantine
Advisory date: 2026-09-21
Packages: pmg-gui
Details:
The filename field in the AttachementGrid component shown in the Attachment Quarantine view takes its data...
Subject: PSA-2026-00047-1: newline injection into firewall config files
Advisory date: 2026-09-21
Packages: pve-firewall, proxmox-firewall
Details:
Incomplete validation of API parameters allowed the injection of newlines or invalid lines...
Subject: PSA-2026-00046-1: Privilege escalation through malicious OCI container image
Advisory date: 2026-09-10
Packages: pve-container
Details:
The check for control characters in the configuration keys of OCI container images was too...
Subject: PSA-2026-00045-1: ACME directory ToS URL XSS
Advisory date: 2026-09-10
Packages: proxmox-backup, proxmox-widget-toolkit
Details:
The terms of service URL returned by an ACME directory was not escaped properly when displaying it on...
Subject: PSA-2026-00043-1: Authentication bypass in EOL Proxmox VE 7 release
Advisory date: 2026-09-01
Packages: libpve-access-control
Affected: libpve-access-control >= 7.0-7 and < 8.0.4
Roughly corresponding to Proxmox VE 7.0 up to and...
Subject: PSA-2026-00042-1: missing privilege checks for vzdump stop API calls
Advisory date: 2026-08-17
Packages: pve-manager
Details:
Any authenticated user/API token could trigger a stop of running backups.
This issue was reported...