CVE-2026-48753
Incus has an arbitrary file write via path traversal in S3 multipart upload
CVSS Score
9.9
EPSS Score
0.0%
EPSS Percentile
0th
Incus is a system container and virtual machine manager. Prior to version 7.1.0, the S3 protocol upload endpoint is vulnerable to path traversal and allows creation of arbitrary files on the host. This behavior could lead to arbitrary command execution. Version 7.1.0 fixes the issue.
| CWE | CWE-73 |
| Vendor | lxc |
| Product | incus |
| Published | Aug 21, 2026 |
| Last Updated | Aug 21, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
lxc / incus
< 7.1.0