CVE-2026-113610

MEDIUM 5.4

Xen Orchestra before 6.9.0 Authorization Bypass via user.set API

CVSS Score

5.4

EPSS Score

0.0%

EPSS Percentile

0th

Xen Orchestra before 6.9.0 contains an authorization bypass vulnerability in the xo-server user.set API method that allows low-privileged authenticated users to modify other users' preferences by supplying an arbitrary target user id. Attackers can delete the preferences.otp TOTP secret to disable two-factor authentication, corrupt it to block logins, or overwrite stored xsCredentials and sshKeys.

CWE	CWE-639
Vendor	vatesfr
Product	xen-orchestra
Published	Oct 20, 2026

Stay Ahead of the Next One

Get instant alerts for vatesfr xen-orchestra

Be the first to know when new medium vulnerabilities affecting vatesfr xen-orchestra are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

Low

Affected Versions

vatesfr / xen-orchestra

0 < 6.9.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/vatesfr/xen-orchestra/security/advisories/GHSA-mc4m-hc98-rhmv github.com: https://github.com/vatesfr/xen-orchestra/commit/3dbf8738f1e682b96ade2074dc84bee02a0c2d48 github.com: https://github.com/vatesfr/xen-orchestra/blob/f187b7931988e3e5c9ccd58abe730d6b006cc246/packages/xo-server/src/api/user.mjs#L73-L93 vulncheck.com: https://www.vulncheck.com/advisories/xen-orchestra-before-6.9.0-authorization-bypass-via-user-set-api

Credits

Allan Victor