Analysis and contextual insights are available on OpenCVE Cloud.
Vendor Workaround
To mitigate this issue, users should avoid opening or interacting with untrusted Java projects or files within Red Hat OpenShift Dev Spaces. Exercise caution and refrain from clicking on unfamiliar links presented in JavaDoc hover popups, particularly when working with code from unverified sources. Disabling the `vscode-java` extension when not actively engaged in Java development can further reduce exposure, though this will impact Java-related functionality.
Tracking
Sign in to view the affected projects.
No advisories yet.
Mon, 29 Jun 2026 15:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Mon, 29 Jun 2026 13:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A flaw was found in the vscode-java extension, which provides Java language support for Visual Studio Code. The extension incorrectly trusts all Markdown content in JavaDoc hovers, allowing a malicious Java file to include hidden commands. If a user clicks a specially crafted link within a JavaDoc hover popup, an attacker can execute arbitrary VS Code commands, which can lead to full system compromise in trusted workspaces. | |
| Title | Vscode-java: vscode: command injection vulnerability in the javadoc hover provider of the vscode-java extension | |
| First Time appeared |
Redhat
Redhat openshift Devspaces |
|
| Weaknesses | CWE-88 | |
| CPEs | cpe:/a:redhat:openshift_devspaces:3 | |
| Vendors & Products |
Redhat
Redhat openshift Devspaces |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2026-06-29T14:52:08.171Z
Reserved: 2026-06-22T06:09:52.759Z
Link: CVE-2026-12856
Updated: 2026-06-29T14:49:31.497Z
No data.
No data.
OpenCVE Enrichment
Updated: 2026-06-29T14:30:18Z