ProxmoxSecurityAdvisory's latest activity

  • ProxmoxSecurityAdvisory
    Subject: PSA-2026-00065-1: PMG: Bypass DMARC check by spoofed envelope sender header Advisory date: 2026-10-07 Packages: pmg-api Details: Adding a X-Proxmox-Envelope-From header to a mail confuses pmg-smtp-filter into using the mail-address...
  • ProxmoxSecurityAdvisory
    Subject: PSA-2026-00064-1: PMG: Administrator to root privilege escalation via private keys in backup Advisory date: 2026-10-07 Packages: pmg-api Details: A user with Administrator role could create and download a backup, which includes the...
  • ProxmoxSecurityAdvisory
    Subject: PSA-2026-00063-1: PMG: Administrator to root privilege escalation via http_proxy configuration setting Advisory date: 2026-10-07 Packages: pmg-api Details: Insufficient input validation for the http_proxy configuration setting...
  • ProxmoxSecurityAdvisory
    Subject: PSA-2026-00062-1: Missing privilege checks when configuring scheduled tape backup jobs Advisory date: 2026-10-07 Packages: proxmox-backup-server Details: A user with sufficient privileges to set up a tape backup job could reference...
  • ProxmoxSecurityAdvisory
    Subject: PSA-2026-00061-1: Missing validation of chunk sizes during pull sync Advisory date: 2026-10-07 Packages: proxmox-backup-server Details: An attacker with control over a pull source (or its raw index contents) could trick the pull...
  • ProxmoxSecurityAdvisory
    Subject: PSA-2026-00060-1: Missing privilege checks when removing namespace from prune job Advisory date: 2026-10-07 Packages: proxmox-backup-server Details: The required privileges were not checked correctly when removing the configured...
  • ProxmoxSecurityAdvisory
    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...
  • ProxmoxSecurityAdvisory
    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...
  • ProxmoxSecurityAdvisory
    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...
  • ProxmoxSecurityAdvisory
    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...
  • ProxmoxSecurityAdvisory
    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...
  • ProxmoxSecurityAdvisory
    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...
  • ProxmoxSecurityAdvisory
    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...
  • ProxmoxSecurityAdvisory
    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...
  • ProxmoxSecurityAdvisory
    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...
  • ProxmoxSecurityAdvisory
    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...
  • ProxmoxSecurityAdvisory
    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...
  • ProxmoxSecurityAdvisory
    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...
  • ProxmoxSecurityAdvisory
    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...
  • ProxmoxSecurityAdvisory
    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...