CVE-2025-54289

Privilege Escalation via WebSocket Connection Hijacking in LXD Operations API

State: Published
Severity: 7.4 High
Published: Oct 2, 2025
Updated: Feb 26, 2026
Reserved: Jul 18, 2025

Description

Privilege Escalation in operations API in Canonical LXD <6.5 on multiple platforms allows attacker with read permissions to hijack terminal or console sessions and execute arbitrary commands via WebSocket connection hijacking format

Scores

CVSS	Score	Vector	Source
4.0	7.4 High	CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N	canonical

Weaknesses

CWE-1385 Missing Origin Validation in WebSockets

Affected Products

Product	Versions
LXDCanonical	6 to before 6.5Affected 5.21 to before 5.21.4Affected

References

https://github.com/canonical/lxd/security/advisories/GHSA-3g72-chj4-2228

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