CVE-2026-12856: openshift dev spaces Version not applicable in the source CPE; +1 more affected products

Affected technology

openshift dev spaces · Version not applicable in the source CPE
redhat

Red Hat OpenShift Dev Spaces 3.29 · Exact affected versions not specified by the source
Red Hat

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · User interaction required

Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · User interaction required

What an attacker can do

The source says 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. Vendor/CNA’s CVSS 3.1 assessment (base score 8.8/10) rates confidentiality, integrity and availability impact as high. Source advisory’s CVSS 3.1 assessment (base score 8.8/10) rates confidentiality, integrity and availability impact as high.