Medium

Xen Orchestra Mishandles Authorization

  • Disclosed: 24.05.2022
  • Updated: 11.10.2026 10:22

Xen Orchestra (with xo-web through 5.80.0 and xo-server through 5.84.0) mishandles authorization, as demonstrated by modified WebSocket resourceSet.getAll data is which the attacker changes the permission field from none to admin. The attacker gains access to data sets such as VMs, Backups, Audit, Users, and Groups.

Affected software

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PlatformPackageVulnerable versionsFixed in
npm package xo-server <= 5.84.0 no fix
npm package xo-web <= 5.80.0 no fix

References

CVSS score 4.3/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness (CWE)
CWE-863
Platform
npm
Package
xo-server, xo-web
Disclosed
24.05.2022
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-grvm-gcqf-gh8q - CC BY 4.0

Vulnerability history: xo-web

All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.

This is the only known vulnerability of this package.

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