LXC is a userspace interface for the Linux kernel containment features used to create and manage system containers. In LXC 7.0.0 and earlier, lxc-copy and the public liblxc clone() API can follow attacker-controlled symbolic links while updating /etc/hostname in a copied containe...
Vendor
lxc vulnerabilities
53 published CVES affecting lxc, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 53
- Critical
- 17
- High
- 18
- Medium
- 14
- Low
- 4
- Unscored
- 0
- CISA KEV
- 0
Products
- incus 39
- github.com/lxc/incus/v7/cmd/incusd 28
- github.com/lxc/lxd 2
- lxc 2
- github.com/lxc/incus-os/incus-osd 1
- github.com/lxc/incus/v6/client 1
- incus-os 1
- lxc-ci 1
Latest lxc CVEs
Newest publication first · page 1 of 3
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MediumCVSS 6.8 EPSS 0.15%
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MediumCVSS 6.9 EPSS 0.29%
Incus before 6.0.7, 6.1.0 before 7.0.2, and 7.1.0 before 7.5.0 contains an arbitrary file write vulnerability in sftpRecursivePullFile that allows a malicious incus-agent to escape the target directory during incus file pull -r. Attackers with root in a virtual machine can return...
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CriticalCVSS 9.4 EPSS 0.40%
Incus before 6.0.7, 6.1.0 before 7.0.2, and 7.1.0 before 7.5.0 contains an arbitrary file write vulnerability that allows malicious migration sources to write host files by planting symlinks in transferred volumes. Attackers can craft rsync or btrfs receive streams with a symlink...
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HighCVSS 8.3 EPSS 0.27%
Incus 7.0.1 before 7.0.2 and 7.2.0 before 7.5.0 contains an authorization bypass vulnerability that allows project-restricted clients to copy volumes by omitting source.type. Attackers can send crafted POST requests to the custom volumes endpoint with a chosen source.project to c...
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CriticalCVSS 9.4 EPSS 0.40%
Incus 7.0.0 before 7.0.2 and 7.1.0 before 7.5.0 contains a path traversal vulnerability that allows clients able to create instances to write files on the host. The flaw stems from unvalidated dependent custom volume names in instance backup index.yaml files. Attackers can import...
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HighCVSS 7.1 EPSS 0.18%
Incus 7.0.0 before 7.0.2 and 7.1.0 before 7.5.0 contains a signature verification flaw in its built-in S3 server that allows presigned URL holders to inject unsigned x-amz-* headers. Attackers can add an unsigned X-Amz-Copy-Source header to a presigned upload URL to copy other bu...
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HighCVSS 7.0 EPSS 0.29%
Incus before 6.0.7, 6.1.0 before 7.0.2, and 7.1.0 before 7.5.0 contains a missing authorization vulnerability in GET /1.0/operations/{uuid} that lets project-restricted clients read operations in other projects. Attackers holding a restricted certificate and a known operation UUI...
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CVE-2026-115372 Incus 7.3.0 before 7.5.0 Project Restriction Bypass via block.create_options
PublishedCriticalCVSS 9.0 EPSS 0.36%Incus from 7.3.0 before 7.5.0 contains a project restriction bypass that allows restricted project users to set block.create_options through volume update, copy, and move operations. Attackers can set the option on a custom volume and trigger a copy or move onto a formatting pool...
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HighCVSS 7.1 EPSS 0.22%
Incus 6.0.3 before 6.0.7, 6.6.0 before 7.0.2, and 7.1.0 before 7.5.0 contains an improper authorization vulnerability that allows restricted TLS clients to read storage bucket keys in the default project. Attackers can query the bucket keys endpoints to obtain S3 access and secre...
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MediumCVSS 5.3 EPSS 0.37%
Incus 6.0.5 before 6.0.7, 6.12.0 before 7.0.2, and 7.1.0 before 7.5.0 contains a restriction bypass vulnerability that allows restricted project users to use pull mode migration via clustered refresh requests. Attackers with instance creation rights can send a refresh migration r...
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HighCVSS 7.2 EPSS 0.59%
lxc-ci contains continuous integration and image-build scripts for LXC. Prior to the 2026-05-28 Arch Linux image publication, images built from images/archlinux.yaml retain the same pacman local-signing private key in /etc/pacman.d/gnupg and redistribute it to every container or...
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CriticalCVSS 9.9 EPSS 0.48%
Incus is a system container and virtual machine manager. Prior to version 7.3.0, a malicious image containing a metadata.yaml symlink pointing to an arbitrary host path allows an authenticated Incus user to read or overwrite any file on the host as root via the instance metadata...
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CriticalCVSS 9.9 EPSS 0.66%
Incus is a system container and virtual machine manager. Prior to version 7.3.0, an unprivileged, project-confined Incus user (a non-admin TLS/RBAC identity with can_create_images and can_create_instances) can execute arbitrary code as root on the host. A crafted image ships back...
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CriticalCVSS 9.9 EPSS 0.44%
Incus is a system container and virtual machine manager. Prior to version 7.3.0, when copying an instance across projects, the project restriction check (AllowInstanceCreation) runs BEFORE the source instance's configuration is merged into the request. Dangerous configuration key...
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CVE-2026-62940 Incus has a project restriction bypass via instance migration config override
PublishedCriticalCVSS 9.9 EPSS 0.42%Incus is a system container and virtual machine manager. Prior to version 7.3.0, when migrating an instance to another cluster member, user-supplied configuration overrides (including security-critical keys like security.privileged and raw.lxc) are applied without any project res...
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CriticalCVSS 9.9 EPSS 0.52%
Incus is a system container and virtual machine manager. Prior to version 7.3.0, improper validation of user-provided block.create_options in storage volume configuration leads to argument injection in the constructed filesystem creation command line. This allows a project-scoped...
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MediumCVSS 4.3 EPSS 0.36%
Incus is a system container and virtual machine manager. Prior to version 7.3.0, project-level enforcement of restricted.containers.privilege=isolated can be trivially bypassed, allowing a user to create a non-isolated (shared host idmap) container in a project that is configured...
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HighCVSS 7.7 EPSS 0.45%
Incus is a system container and virtual machine manager. Prior to version 7.2.0, missing authorization checks exist for instance copying where an attacker knowing the name of a project that they don't have access to and the name of an instance in that project can copy the instanc...
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CVE-2026-55621 Incus has a project restriction bypass for custom volume copy across projects
PublishedHighCVSS 7.7 EPSS 0.42%Incus is a system container and virtual machine manager. Prior to version 7.2.0, missing authorization checks exist for custom volume copying where an attacker knowing the name of a project that they don't have access to and the name of a custom volume in that project can copy th...
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CriticalCVSS 9.9 EPSS 0.78%
Incus is a system container and virtual machine manager. Prior to version 7.2.0, an arbitrary file write exists in the Incus client when a malicious image server returns a crafted Incus-Image-Hash header. This can lead to arbitrary command execution as root on the server. Version...
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CriticalCVSS 9.9 EPSS 0.78%
Incus is a system container and virtual machine manager. Prior to version 7.1.0, improper validation of user-provided backup compression algorithm leads to argument injection in the constructed command line. This leads to an arbitrary file write on the host, possibly leading to a...
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LowCVSS 2.1 EPSS 0.38%
Incus is a system container and virtual machine manager. Prior to version 7.1.0, (*backend).createDependentVolumesFromBackup in internal/server/storage/backend.go contains a cluster of unguarded pointer derefs on every dependent-volume entry's VolumeSnapshots[i], Volume, and Pool...
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CVE-2026-48753 Incus has an arbitrary file write via path traversal in S3 multipart upload
PublishedCriticalCVSS 9.9 EPSS 0.73%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 is...
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CVE-2026-48752 Incus has arbitrary file read+write on host via templates/ symlink in malicious image
PublishedCriticalCVSS 9.9 EPSS 0.78%Incus is a system container and virtual machine manager. Prior to version 7.2.0, a specially crafted image or instance backup can be used to read or create/write arbitrary files on the host; possibly leading to arbitrary command execution. Version 7.2.0 patches the issue.
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CVE-2026-48751 Incus has a restricted project bypass leading to arbitrary command execution
PublishedCriticalCVSS 9.9 EPSS 0.68%Incus is a system container and virtual machine manager. Prior to version 7.2.0, instance snapshots ignore the restricted.containers.lowlevel=block setting; allowing for arbitrary command execution on the Incus server by abusing lowlevel hooks such as raw.lxc and raw.qemu. Versio...
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.