CVE-2026-34179
April 9, 2026, 12:16 p.m.
9.1
Critical
Description
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.
Product(s) Impacted
| Vendor | Product | Versions |
|---|---|---|
| Canonical |
|
|
Weaknesses
Common security weaknesses mapped to this vulnerability.
CWE-915
Improperly Controlled Modification of Dynamically-Determined Object Attributes
The product receives input from an upstream component that specifies multiple attributes, properties, or fields that are to be initialized or updated in an object, but it does not properly control which attributes can be modified.
*CPE(s)
Affected systems and software identified for this CVE.
| Type | Vendor | Product | Version | Update | Edition | Language | Software Edition | Target Software | Target Hardware | Other Information |
|---|---|---|---|---|---|---|---|---|---|---|
| a | canonical | lxd | 4.12 | / | / | / | / | / | / | / |
| a | canonical | lxd | 5.0 | / | / | / | / | / | / | / |
| a | canonical | lxd | 6.0 | / | / | / | / | / | / | / |
| a | canonical | lxd | 6.7 | / | / | / | / | / | / | / |
Tags
CVSS Score
CVSS Data - 3.1
- Attack Vector: NETWORK
- Attack Complexity: LOW
- Privileges Required: HIGH
- Scope: CHANGED
- Confidentiality Impact: HIGH
- Integrity Impact: HIGH
- Availability Impact: HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Timeline
Published: April 9, 2026, 10:16 a.m.
Last Modified: April 9, 2026, 12:16 p.m.
Last Modified: April 9, 2026, 12:16 p.m.
Status : Received
CVE has been recently published to the CVE List and has been received by the NVD.
More infoSource
*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.