CVE-2026-57966 — MEDIUM (4.4)

Vulnerability Description

A path traversal vulnerability was found in spice-vdagent. This flaw allows a malicious or compromised SPICE host to write arbitrary files to any location on the guest operating system. This occurs because the filename provided by the SPICE host during file transfers is not properly sanitized before being used. An attacker could exploit this to write to sensitive locations with the privileges of the spice-vdagent process, typically the logged-in user. This issue requires the SPICE host to be untrusted or compromised for exploitation.

CVSS Score

4.4

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Redhat	Enterprise Linux	6.0
Spice-Space	Spice-Vdagent	-

Related Weaknesses (CWE)

CWE-22

References

https://access.redhat.com/security/cve/CVE-2026-57966Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2493582Issue TrackingVendor Advisory

FAQ

What is CVE-2026-57966?

CVE-2026-57966 is a vulnerability with a CVSS score of 4.4 (MEDIUM). A path traversal vulnerability was found in spice-vdagent. This flaw allows a malicious or compromised SPICE host to write arbitrary files to any location on the guest operating system. This occurs be...

How severe is CVE-2026-57966?

CVE-2026-57966 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-57966?

Check the references section above for vendor advisories and patch information. Affected products include: Redhat Enterprise Linux, Spice-Space Spice-Vdagent.