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    CVE-2020-27224

    In Eclipse Theia versions up to and including 1.2.0, the Markdown Preview (@theia/preview), can be exploited to execute arbitrary code.

    Published:Feb 24, 2021
    Last Modified:Nov 21, 2024
    EPS:Feb 24, 2021
    EPSS Score:0.00531
    CVSS Score:9.6

    Affected Products

    Vendor
    Eclipse
    Product
    Theia

    Exploits

    https://github.com/eclipse-theia/theia/issues/7954https://omespino.com/write-up-google-bug-bounty-xss-to-cloud-shell-instance-takeover-rce-as-root-5000-usd/https://github.com/eclipse-theia/theia/issues/7954https://omespino.com/write-up-google-bug-bounty-xss-to-cloud-shell-instance-takeover-rce-as-root-5000-usd/

    Related CVEs

    CVE-2026-19884 (CVSS 8.4) — In Eclipse Theia versions up to and including 1.69.0, opening a folder starts source control integration witho…
    CVE-2026-61891 (CVSS 7.5) — In Eclipse Theia versions up to and including 1.73.1, the `@theia/filesystem` backend exposes HTTP file-downlo…
    CVE-2026-60009 (CVSS 8.8) — In Eclipse Theia versions up to and including 1.73.1, the `@theia/filesystem` backend binds `POST /file-upload…
    CVE-2026-14574 (CVSS 5.7) — In Eclipse Theia versions 0.7.0 and up until including 1.73.1, the `PreferenceUtils.merge` function in `@theia…
    CVE-2026-10055 (CVSS 8.5) — In Eclipse Theia since version 1.26.0, the backend /services/request-service RPC accepts an attacker-controlle…
    CVE-2026-10054 (CVSS 8.8) — In affected versions of Eclipse Theia (1.8.1 and later), the browser backend exposes privileged terminal RPC o…
    CVE-2026-44691 (CVSS 8.4) — In Eclipse Theia versions prior to 1.69.0, custom task definitions in workspace files (e.g. .theia/tasks.json,…
    CVE-2026-22551 (CVSS 6.7) — In Eclipse Theia versions prior to 1.71.0, the AI chat rendered Markdown image tags from AI responses, trigger…
    CVE-2026-46580 (CVSS 8.4) — In Eclipse Theia versions prior to 1.71.0, files matching the pattern .prompts/*.prompttemplate in a workspace…
    CVE-2026-44688 (CVSS 8.4) — In Eclipse Theia versions prior to 1.71.0, the AI chat agent processed workspace file and directory names as p…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High