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38 vulnerabilities found for lxd by Canonical
CVE-2026-34179 (GCVE-0-2026-34179)
Vulnerability from nvd – Published: 2026-04-09 09:22 – Updated: 2026-04-09 11:54
VLAI?
Title
Update of type field in restricted TLS certificate allows privilege escalation to cluster admin
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.
Severity ?
9.1 (Critical)
CWE
- CWE-915 - Improperly controlled modification of Dynamically-Determined object attributes
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
Credits
Miha Purg
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CVE-2026-34178 (GCVE-0-2026-34178)
Vulnerability from nvd – Published: 2026-04-09 09:18 – Updated: 2026-04-09 11:55
VLAI?
Title
Importing a crafted backup leads to project restriction bypass
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.
Severity ?
9.1 (Critical)
CWE
- CWE-20 - Improper input validation
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
Credits
Miha Purg
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CVE-2026-34177 (GCVE-0-2026-34177)
Vulnerability from nvd – Published: 2026-04-09 09:15 – Updated: 2026-04-09 12:12
VLAI?
Title
VM lowlevel restriction bypass via raw.apparmor and raw.qemu.conf
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.
Severity ?
9.1 (Critical)
CWE
- CWE-184 - Incomplete list of disallowed inputs
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
Credits
Miha Purg
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CVE-2026-28384 (GCVE-0-2026-28384)
Vulnerability from nvd – Published: 2026-03-12 14:51 – Updated: 2026-03-13 16:30
VLAI?
Title
Authenticated RCE via unsanitized compression_algorithm
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.
Severity ?
CWE
- CWE-78 - Improper neutralization of special elements used in an OS command ('OS command injection')
Assigner
References
Impacted products
Date Public ?
2026-03-12 15:00
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CVE-2026-3351 (GCVE-0-2026-3351)
Vulnerability from nvd – Published: 2026-03-03 12:49 – Updated: 2026-03-05 17:20
VLAI?
Title
Authorization Bypass in LXD GET /1.0/certificates Endpoint
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.
Severity ?
CWE
- CWE-862 - Missing Authorization
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
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CVE-2025-54293 (GCVE-0-2025-54293)
Vulnerability from nvd – Published: 2025-10-02 10:43 – Updated: 2025-10-02 15:53
VLAI?
Title
Path Traversal in LXD Instance Log File Retrieval
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.
Severity ?
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
Impacted products
Credits
GMO Flatt Security Inc.
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CVE-2025-54292 (GCVE-0-2025-54292)
Vulnerability from nvd – Published: 2025-10-02 09:26 – Updated: 2025-10-02 15:53
VLAI?
Title
Client-Side Path Traversal in LXD-UI
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.
Severity ?
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
Impacted products
Credits
GMO Flatt Security Inc.
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CVE-2025-54291 (GCVE-0-2025-54291)
Vulnerability from nvd – Published: 2025-10-02 09:25 – Updated: 2025-10-02 17:29
VLAI?
Title
Project existence disclosure in LXD images API
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.
Severity ?
CWE
- CWE-209 - Generation of Error Message Containing Sensitive Information
Assigner
References
Impacted products
Credits
GMO Flatt Security Inc.
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CVE-2025-54290 (GCVE-0-2025-54290)
Vulnerability from nvd – Published: 2025-10-02 09:24 – Updated: 2025-10-02 17:31
VLAI?
Title
Project Existence Disclosure via Error Handling in LXD Image Export
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.
Severity ?
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
Impacted products
Credits
GMO Flatt Security Inc.
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CVE-2025-54289 (GCVE-0-2025-54289)
Vulnerability from nvd – Published: 2025-10-02 09:23 – Updated: 2026-02-26 17:48
VLAI?
Title
Privilege Escalation via WebSocket Connection Hijacking in LXD Operations API
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
Severity ?
CWE
- CWE-1385 - Missing Origin Validation in WebSockets
Assigner
References
Impacted products
Credits
GMO Flatt Security Inc.
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CVE-2025-54288 (GCVE-0-2025-54288)
Vulnerability from nvd – Published: 2025-10-02 09:20 – Updated: 2025-10-02 13:22
VLAI?
Title
Source Container Identification Vulnerability via cmdline Spoofing in devLXD Server
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.
Severity ?
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
Impacted products
Credits
GMO Flatt Security Inc.
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CVE-2025-54287 (GCVE-0-2025-54287)
Vulnerability from nvd – Published: 2025-10-02 09:16 – Updated: 2025-10-02 13:27
VLAI?
Title
Arbitrary File Read via Template Injection in Snapshot Patterns
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.
Severity ?
CWE
- CWE-1336 - Improper Neutralization of Special Elements Used in a Template Engine
Assigner
References
Impacted products
Credits
GMO Flatt Security Inc.
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CVE-2025-54286 (GCVE-0-2025-54286)
Vulnerability from nvd – Published: 2025-10-02 09:12 – Updated: 2026-02-26 17:48
VLAI?
Title
CSRF Vulnerability When Using Client Certificate Authentication with the LXD-UI
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.
Severity ?
CWE
- CWE-352 - Cross-Site Request Forgery (CSRF)
Assigner
References
Impacted products
Credits
GMO Flatt Security Inc.
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CVE-2024-6219 (GCVE-0-2024-6219)
Vulnerability from nvd – Published: 2024-12-05 23:13 – Updated: 2025-08-28 13:29
VLAI?
Summary
Mark Laing discovered in LXD's PKI mode, until version 5.21.1, that a restricted certificate could be added to the trust store with its restrictions not honoured.
Severity ?
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Canonical Ltd. | LXD |
Affected:
0 , < 5.21.1
(semver)
|
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CVE-2024-6156 (GCVE-0-2024-6156)
Vulnerability from nvd – Published: 2024-12-05 23:11 – Updated: 2025-03-18 15:58
VLAI?
Summary
Mark Laing discovered that LXD's PKI mode, until version 5.21.2, could be bypassed if the client's certificate was present in the trust store.
Severity ?
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Canonical Ltd. | LXD |
Affected:
4.0 , < 4.0.10
(semver)
Affected: 4.0 , < 5.0.4 (semver) Affected: 4.0 , < 5.21.2 (semver) Affected: 4.0 , < 6.1 (semver) |
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CVE-2026-34179 (GCVE-0-2026-34179)
Vulnerability from cvelistv5 – Published: 2026-04-09 09:22 – Updated: 2026-04-09 11:54
VLAI?
Title
Update of type field in restricted TLS certificate allows privilege escalation to cluster admin
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.
Severity ?
9.1 (Critical)
CWE
- CWE-915 - Improperly controlled modification of Dynamically-Determined object attributes
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
Credits
Miha Purg
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CVE-2026-34178 (GCVE-0-2026-34178)
Vulnerability from cvelistv5 – Published: 2026-04-09 09:18 – Updated: 2026-04-09 11:55
VLAI?
Title
Importing a crafted backup leads to project restriction bypass
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.
Severity ?
9.1 (Critical)
CWE
- CWE-20 - Improper input validation
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
Credits
Miha Purg
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CVE-2026-34177 (GCVE-0-2026-34177)
Vulnerability from cvelistv5 – Published: 2026-04-09 09:15 – Updated: 2026-04-09 12:12
VLAI?
Title
VM lowlevel restriction bypass via raw.apparmor and raw.qemu.conf
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.
Severity ?
9.1 (Critical)
CWE
- CWE-184 - Incomplete list of disallowed inputs
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
Credits
Miha Purg
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CVE-2026-28384 (GCVE-0-2026-28384)
Vulnerability from cvelistv5 – Published: 2026-03-12 14:51 – Updated: 2026-03-13 16:30
VLAI?
Title
Authenticated RCE via unsanitized compression_algorithm
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.
Severity ?
CWE
- CWE-78 - Improper neutralization of special elements used in an OS command ('OS command injection')
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
Date Public ?
2026-03-12 15:00
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CVE-2026-3351 (GCVE-0-2026-3351)
Vulnerability from cvelistv5 – Published: 2026-03-03 12:49 – Updated: 2026-03-05 17:20
VLAI?
Title
Authorization Bypass in LXD GET /1.0/certificates Endpoint
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.
Severity ?
CWE
- CWE-862 - Missing Authorization
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
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CVE-2025-54293 (GCVE-0-2025-54293)
Vulnerability from cvelistv5 – Published: 2025-10-02 10:43 – Updated: 2025-10-02 15:53
VLAI?
Title
Path Traversal in LXD Instance Log File Retrieval
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.
Severity ?
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
Impacted products
Credits
GMO Flatt Security Inc.
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CVE-2025-54292 (GCVE-0-2025-54292)
Vulnerability from cvelistv5 – Published: 2025-10-02 09:26 – Updated: 2025-10-02 15:53
VLAI?
Title
Client-Side Path Traversal in LXD-UI
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.
Severity ?
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
Impacted products
Credits
GMO Flatt Security Inc.
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CVE-2025-54291 (GCVE-0-2025-54291)
Vulnerability from cvelistv5 – Published: 2025-10-02 09:25 – Updated: 2025-10-02 17:29
VLAI?
Title
Project existence disclosure in LXD images API
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.
Severity ?
CWE
- CWE-209 - Generation of Error Message Containing Sensitive Information
Assigner
References
Impacted products
Credits
GMO Flatt Security Inc.
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CVE-2025-54290 (GCVE-0-2025-54290)
Vulnerability from cvelistv5 – Published: 2025-10-02 09:24 – Updated: 2025-10-02 17:31
VLAI?
Title
Project Existence Disclosure via Error Handling in LXD Image Export
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.
Severity ?
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
Impacted products
Credits
GMO Flatt Security Inc.
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CVE-2025-54289 (GCVE-0-2025-54289)
Vulnerability from cvelistv5 – Published: 2025-10-02 09:23 – Updated: 2026-02-26 17:48
VLAI?
Title
Privilege Escalation via WebSocket Connection Hijacking in LXD Operations API
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
Severity ?
CWE
- CWE-1385 - Missing Origin Validation in WebSockets
Assigner
References
Impacted products
Credits
GMO Flatt Security Inc.
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CVE-2025-54288 (GCVE-0-2025-54288)
Vulnerability from cvelistv5 – Published: 2025-10-02 09:20 – Updated: 2025-10-02 13:22
VLAI?
Title
Source Container Identification Vulnerability via cmdline Spoofing in devLXD Server
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.
Severity ?
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
Impacted products
Credits
GMO Flatt Security Inc.
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CVE-2025-54287 (GCVE-0-2025-54287)
Vulnerability from cvelistv5 – Published: 2025-10-02 09:16 – Updated: 2025-10-02 13:27
VLAI?
Title
Arbitrary File Read via Template Injection in Snapshot Patterns
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.
Severity ?
CWE
- CWE-1336 - Improper Neutralization of Special Elements Used in a Template Engine
Assigner
References
Impacted products
Credits
GMO Flatt Security Inc.
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CVE-2025-54286 (GCVE-0-2025-54286)
Vulnerability from cvelistv5 – Published: 2025-10-02 09:12 – Updated: 2026-02-26 17:48
VLAI?
Title
CSRF Vulnerability When Using Client Certificate Authentication with the LXD-UI
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.
Severity ?
CWE
- CWE-352 - Cross-Site Request Forgery (CSRF)
Assigner
References
Impacted products
Credits
GMO Flatt Security Inc.
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CVE-2024-6219 (GCVE-0-2024-6219)
Vulnerability from cvelistv5 – Published: 2024-12-05 23:13 – Updated: 2025-08-28 13:29
VLAI?
Summary
Mark Laing discovered in LXD's PKI mode, until version 5.21.1, that a restricted certificate could be added to the trust store with its restrictions not honoured.
Severity ?
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Canonical Ltd. | LXD |
Affected:
0 , < 5.21.1
(semver)
|
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CVE-2024-6156 (GCVE-0-2024-6156)
Vulnerability from cvelistv5 – Published: 2024-12-05 23:11 – Updated: 2025-03-18 15:58
VLAI?
Summary
Mark Laing discovered that LXD's PKI mode, until version 5.21.2, could be bypassed if the client's certificate was present in the trust store.
Severity ?
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Canonical Ltd. | LXD |
Affected:
4.0 , < 4.0.10
(semver)
Affected: 4.0 , < 5.0.4 (semver) Affected: 4.0 , < 5.21.2 (semver) Affected: 4.0 , < 6.1 (semver) |
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