[Eclipse Theia] Arbitrary Command Execution via Untrusted Workspace Task Definitions
In Eclipse Theia versions prior to 1.69.0, custom task definitions in workspace files (e.g. .theia/tasks.json, .vscode/tasks.json) could be executed without requiring workspace trust. An attacker could craft a malicious repository that, when cloned and opened in Theia, leads to execution of arbitrary commands with the user's privileges. In combination with AI chat features and a workspace .theia/settings.json that disabled tool confirmation, this could be triggered automatically by sending a message in the AI chat.
beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-44691US | high8.8 | — | ||
In Eclipse Theia versions prior to 1.69.0, custom task definitions in workspace files (e.g. .theia/tasks.json, .vscode/tasks.json) could be executed without requiring workspace tru… | ||||
Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/eclipse-theia/theiaPACKAGE
- https://github.com/eclipse-theia/theia/issues/16889WEB
- https://github.com/eclipse-theia/theia/pull/16917WEB
- https://gitlab.eclipse.org/security/cve-assignment/-/work_items/116WEB
- https://gitlab.eclipse.org/security/vulnerability-reports/-/work_items/331WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-44691ADVISORY
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