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29 vulnerabilities found for lxd by Canonical
CVE-2026-66897 (GCVE-0-2026-66897)
Vulnerability from cvelistv5
Published
2026-08-24 09:08
Modified
2026-08-25 03:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A path traversal vulnerability in LXD's instance template processing allows an attacker with container edit permissions, or any user launching a crafted image, to overwrite arbitrary files on the host system as root. When processing target template paths specified in metadata.yaml, LXD validates the path against a confined os.Root directory handle but subsequently opens and creates the file using os.Create with an unconfined string path. This discrepancy between path resolution checks and file creation allows an attacker to escape directory confinement, overwrite root-owned host files, and achieve host root code execution.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
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CVE-2026-16033 (GCVE-0-2026-16033)
Vulnerability from cvelistv5
Published
2026-08-12 20:11
Modified
2026-08-13 12:46
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Summary
A path traversal vulnerability in LXD allows an attacker to achieve arbitrary host file read or unconstrained file creation. When processing image metadata templates, LXD fails to properly sanitize or restrict template file paths from escaping the instance templates directory (specifically affecting virtual machine / QEMU driver execution paths). An attacker can exploit this flaw by providing a crafted image archive with malicious template directives containing path traversal sequences, causing LXD to access or write files outside the intended template directory on the host system.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
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CVE-2026-66898 (GCVE-0-2026-66898)
Vulnerability from cvelistv5
Published
2026-08-12 20:07
Modified
2026-08-13 13:40
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Summary
A path traversal vulnerability in LXD allows an attacker to manipulate file system paths during backup import and restore operations. When importing or restoring a backup archive, LXD fails to validate instance and storage volume names contained within the archive metadata. An attacker can exploit this flaw by supplying a crafted backup archive with malicious instance or volume names containing path traversal sequences, potentially allowing file access or overwriting outside the designated restore directory.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
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CVE-2026-63293 (GCVE-0-2026-63293)
Vulnerability from cvelistv5
Published
2026-08-12 20:00
Modified
2026-08-13 12:40
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Summary
A link following vulnerability in LXD allows an attacker to achieve arbitrary file read and write operations on the host system. When importing or unpacking an image archive, LXD fails to validate whether the metadata.yaml file is a symbolic link. An attacker can exploit this flaw by providing a crafted image archive with a symlinked metadata.yaml file pointing to target file paths on the host system.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
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CVE-2026-63294 (GCVE-0-2026-63294)
Vulnerability from cvelistv5
Published
2026-08-12 19:57
Modified
2026-08-13 12:38
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Summary
A link following vulnerability in LXD allows an attacker to achieve root command execution on the host system. During the import or unpacking of crafted image or backup archives, LXD fails to properly validate and confine the backup.yaml file when it exists as a symbolic link. An attacker can exploit this flaw by providing a malicious archive with a symlinked backup.yaml file, causing LXD to process unconfined configuration metadata and execute arbitrary commands with root privileges.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
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CVE-2026-63295 (GCVE-0-2026-63295)
Vulnerability from cvelistv5
Published
2026-08-12 19:31
Modified
2026-08-13 14:24
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-863 - Incorrect Authorization
Summary
An authorization bypass vulnerability in LXD allows an authenticated attacker to bypass project-level container isolation restrictions. When a project is configured with restrictions on container privileges (such as enforcing restricted.containers.privilege=isolated), LXD fails to enforce the requirement if an instance configuration omits the security.idmap.isolated key. An attacker can exploit this flaw by creating or updating an instance without explicitly setting security.idmap.isolated, bypassing the target project's security constraints.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
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CVE-2026-63296 (GCVE-0-2026-63296)
Vulnerability from cvelistv5
Published
2026-08-12 19:27
Modified
2026-08-13 14:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-863 - Incorrect Authorization
Summary
An authorization bypass vulnerability in LXD allows an authenticated attacker to bypass target project restrictions during instance migration. When migrating an instance to a target project, LXD accepts configuration overrides without validating the new configuration against the target project's enforced restrictions. An attacker can exploit this flaw to move instances with disallowed high-privilege configurations into restricted projects, bypassing security controls.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
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CVE-2026-63297 (GCVE-0-2026-63297)
Vulnerability from cvelistv5
Published
2026-08-12 19:25
Modified
2026-08-13 14:29
Severity ?
VLAI Severity ?
EPSS score ?
Summary
An authorization bypass vulnerability in LXD due to a timing flaw during configuration merging allows an authenticated attacker to bypass target project restrictions during cross-project instance copies. When copying an instance to a target project, LXD performs restriction checks before configuration merging is complete, creating a time-of-check to time-of-use (TOCTOU) condition. An attacker can exploit this flaw to copy instances with disallowed high-privilege configurations into restricted projects, bypassing security controls.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
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CVE-2026-63298 (GCVE-0-2026-63298)
Vulnerability from cvelistv5
Published
2026-08-12 19:22
Modified
2026-08-13 14:33
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Summary
An improper neutralization of special elements vulnerability in LXD's NVIDIA instance configuration handling allows an authenticated attacker to inject arbitrary configuration directives. By supplying newline characters within the 'nvidia.driver.capabilities' or 'nvidia.require.*' configuration values, an attacker can manipulate the generated lxc.conf file. This flaw enables the attacker to execute arbitrary code on the host system with the privileges of the LXD daemon.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
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CVE-2026-63299 (GCVE-0-2026-63299)
Vulnerability from cvelistv5
Published
2026-08-12 19:17
Modified
2026-08-12 19:26
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Summary
An authorization bypass vulnerability in LXD allows an authenticated user to bypass project-level disk and volume limits. Two related code paths fail to verify resource limits during volume operations: the storagePoolVolumeTypePostMove function omits the limits.AllowVolumeCreation check before moving a volume across projects, and volume snapshot restore operations skip the AllowVolumeUpdate check when the configuration is nil (Config == nil). An attacker can exploit these flaws to allocate storage resources that exceed the administrative limits configured for a project.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
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CVE-2026-62420 (GCVE-0-2026-62420)
Vulnerability from cvelistv5
Published
2026-08-12 19:12
Modified
2026-08-12 19:27
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-863 - Incorrect Authorization
Summary
An authorization bypass vulnerability in LXD allows an authenticated attacker to bypass target project security restrictions during cross-project instance migrations. When moving an instance cross-project to a different cluster member via POST /1.0/instances/{name} with migration: true, project: <target>, and target: <member>, the destination node skips all project restriction checks because the request arrives as an internal cluster notification. An attacker can exploit this to introduce disallowed instance configurations into a restricted project.
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
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CVE-2026-63300 (GCVE-0-2026-63300)
Vulnerability from cvelistv5
Published
2026-08-12 19:09
Modified
2026-08-13 13:19
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-862 - Missing Authorization
Summary
An improper validation vulnerability in the instancePostMigration function in lxd/instance_post.go of LXD allows an authenticated attacker with can_create_instances permissions on a restricted project to bypass project-level security restrictions. When migrating an instance between projects, LXD fails to validate the instance's configuration against the target project's enforced restrictions (such as restricted.containers.lowlevel, restricted.devices.*, and restricted.networks.access). An attacker can exploit this by creating a disallowed or high-privilege instance in an unrestricted project and subsequently moving it into the restricted project.
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
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CVE-2026-28385 (GCVE-0-2026-28385)
Vulnerability from cvelistv5
Published
2026-06-26 16:23
Modified
2026-06-26 17:13
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Summary
In Canonical LXD versions 4.12 through 6.9, a Server-Side Request Forgery (SSRF) vulnerability in the image import functionality allows authenticated users with the can_create_images entitlement to interact with internal network infrastructure via the /images endpoint. When importing an image from a URL source, the LXD daemon fails to validate or restrict outbound destination IP addresses, allowing connections to loopback, RFC1918 private ranges, and cloud metadata endpoints. This enables error-based port scanning and unauthorized interaction with internal HTTP services from the daemon's network position.
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
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CVE-2026-9640 (GCVE-0-2026-9640)
Vulnerability from cvelistv5
Published
2026-06-26 15:50
Modified
2026-06-30 03:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-863 - Incorrect Authorization
Summary
A privilege escalation vulnerability exists in LXD from 6.0 before 6.9, 5.21.0 before 5.21.5, and 5.0.0 before 5.0.7 regarding the handling of project-restriction policies during snapshot restoration.. An authenticated project operator in a restricted multi-tenant environment can bypass policy restrictions by importing a maliciously crafted instance backup containing restricted configuration keys within a snapshot. When the snapshot is restored, these restricted keys are applied to the live instance without policy validation. Starting the modified instance grants the operator unauthorized host root access.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2026-9639 (GCVE-0-2026-9639)
Vulnerability from cvelistv5
Published
2026-06-26 15:39
Modified
2026-06-26 16:02
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-476 - NULL pointer dereference
Summary
Nil-pointer dereference in CreateCustomVolumeFromBackup in LXD up to version 6.8 and 5.21 on Linux allows an authenticated user with can_create_storage_volumes permissions to cause a denial of service via a specially crafted custom-volume backup tarball that omits the expires_at snapshot field.
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
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CVE-2026-12411 (GCVE-0-2026-12411)
Vulnerability from cvelistv5
Published
2026-06-26 15:27
Modified
2026-06-26 16:02
Severity ?
VLAI Severity ?
EPSS score ?
Summary
Broken Access Control in the devLXDInstancePatchHandler component of Canonical LXD allows an untrusted guest to mount, read, and overwrite another guest's custom storage volume via a crafted device PATCH request over /dev/lxd when security.devlxd.management.volumes is enabled.
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
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CVE-2026-34179 (GCVE-0-2026-34179)
Vulnerability from cvelistv5
Published
2026-04-09 09:22
Modified
2026-04-09 11:54
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-915 - Improperly controlled modification of Dynamically-Determined object attributes
Summary
In Canonical LXD versions 4.12 through 6.7, the doCertificateUpdate function in lxd/certificates.go does not validate the Type field when handling PUT/PATCH requests to /1.0/certificates/{fingerprint} for restricted TLS certificate users, allowing a remote authenticated attacker to escalate privileges to cluster admin.
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
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CVE-2026-34178 (GCVE-0-2026-34178)
Vulnerability from cvelistv5
Published
2026-04-09 09:18
Modified
2026-04-09 11:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-20 - Improper input validation
Summary
In Canonical LXD before 6.8, the backup import path validates project restrictions against backup/index.yaml in the supplied tar archive but creates the instance from backup/container/backup.yaml, a separate file in the same archive that is never checked against project restrictions. An authenticated remote attacker with instance-creation permission in a restricted project can craft a backup archive where backup.yaml carries restricted settings such as security.privileged=true or raw.lxc directives, bypassing all project restriction enforcement and allowing full host compromise.
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
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CVE-2026-34177 (GCVE-0-2026-34177)
Vulnerability from cvelistv5
Published
2026-04-09 09:15
Modified
2026-04-09 12:12
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-184 - Incomplete list of disallowed inputs
Summary
Canonical LXD versions 4.12 through 6.7 contain an incomplete denylist in isVMLowLevelOptionForbidden (lxd/project/limits/permissions.go), which omits raw.apparmor and raw.qemu.conf from the set of keys blocked under the restricted.virtual-machines.lowlevel=block project restriction. A remote attacker with can_edit permission on a VM instance in a restricted project can inject an AppArmor rule and a QEMU chardev configuration that bridges the LXD Unix socket into the guest VM, enabling privilege escalation to LXD cluster administrator and subsequently to host root.
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
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CVE-2026-28384 (GCVE-0-2026-28384)
Vulnerability from cvelistv5
Published
2026-03-12 14:51
Modified
2026-03-13 16:30
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-78 - Improper neutralization of special elements used in an OS command ('OS command injection')
Summary
An improper sanitization of the compression_algorithm parameter in Canonical LXD allows an authenticated, unprivileged user to execute commands as the LXD daemon on the LXD server via API calls to the image and backup endpoints. This issue affected LXD from 4.12 through 6.6 and was fixed in the snap versions 5.0.6-e49d9f4 (channel 5.0/stable), 5.21.4-1374f39 (channel 5.21/stable), and 6.7-1f11451 (channel 6.0 stable). The channel 4.0/stable is not affected as it contains version 4.0.10.
References
Impacted products
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CVE-2026-3351 (GCVE-0-2026-3351)
Vulnerability from cvelistv5
Published
2026-03-03 12:49
Modified
2026-03-05 17:20
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-862 - Missing Authorization
Summary
Improper authorization in the API endpoint GET /1.0/certificates in Canonical LXD 6.6 on Linux allows an authenticated, restricted user to enumerate all certificate fingerprints trusted by the lxd server.
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2025-54293 (GCVE-0-2025-54293)
Vulnerability from cvelistv5
Published
2025-10-02 10:43
Modified
2025-10-02 15:53
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Summary
Path Traversal in the log file retrieval function in Canonical LXD 5.0 LTS on Linux allows authenticated remote attackers to read arbitrary files on the host system via crafted log file names or symbolic links.
References
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CVE-2025-54292 (GCVE-0-2025-54292)
Vulnerability from cvelistv5
Published
2025-10-02 09:26
Modified
2025-10-02 15:53
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Summary
Path traversal in Canonical LXD LXD-UI versions before 6.5 and 5.21.4 on all platforms allows remote authenticated attackers to access or modify unintended resources via crafted resource names embedded in URL paths.
References
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CVE-2025-54291 (GCVE-0-2025-54291)
Vulnerability from cvelistv5
Published
2025-10-02 09:25
Modified
2025-10-02 17:29
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-209 - Generation of Error Message Containing Sensitive Information
Summary
Information disclosure in images API in Canonical LXD before 6.5 and 5.21.4 on all platforms allows unauthenticated remote attackers to determine project existence via differing HTTP status code responses.
References
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CVE-2025-54290 (GCVE-0-2025-54290)
Vulnerability from cvelistv5
Published
2025-10-02 09:24
Modified
2025-10-02 17:31
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
Information disclosure in image export API in Canonical LXD before 6.5 and 5.21.4 on Linux allows network attackers to determine project existence without authentication via crafted requests using wildcard fingerprints.
References
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CVE-2025-54289 (GCVE-0-2025-54289)
Vulnerability from cvelistv5
Published
2025-10-02 09:23
Modified
2026-02-26 17:48
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-1385 - Missing Origin Validation in WebSockets
Summary
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
References
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CVE-2025-54288 (GCVE-0-2025-54288)
Vulnerability from cvelistv5
Published
2025-10-02 09:20
Modified
2025-10-02 13:22
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-290 - Authentication Bypass by Spoofing
Summary
Information Spoofing in devLXD Server in Canonical LXD versions 4.0 and above on Linux container platforms allows attackers with root privileges within any container to impersonate other containers and obtain their metadata, configuration, and device information via spoofed process names in the command line.
References
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CVE-2025-54287 (GCVE-0-2025-54287)
Vulnerability from cvelistv5
Published
2025-10-02 09:16
Modified
2025-10-02 13:27
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-1336 - Improper Neutralization of Special Elements Used in a Template Engine
Summary
Template Injection in instance snapshot creation component in Canonical LXD (>= 4.0) allows an attacker with instance configuration
permissions to read arbitrary files on the host system via specially crafted snapshot pattern templates using the Pongo2 template engine.
References
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CVE-2025-54286 (GCVE-0-2025-54286)
Vulnerability from cvelistv5
Published
2025-10-02 09:12
Modified
2026-02-26 17:48
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-352 - Cross-Site Request Forgery (CSRF)
Summary
Cross-Site Request Forgery (CSRF) in LXD-UI in Canonical LXD versions >= 5.0 on Linux allows an attacker to create and start container instances without user consent via crafted HTML form submissions exploiting client certificate authentication.
References
Impacted products
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