CVE-2026-89066

    Dashboard / Vulnerabilities / CVE-2026-89066

    CVE-2026-89066

    Published: 11 Sept 2026Last Modified: 12 Sept 2026

    Summary: OS command injection in the task synthesis component in projen

    Details: Improper neutralization of special elements used in an OS command in the task synthesis component in projen before 0.103.0 might allow context-dependent attackers to execute arbitrary commands on a developer workstation or continuous integration runner via shell metacharacters in project configuration values and repository file names that are interpolated into generated task definitions. To remediate this issue, users should upgrade to version 0.103.0 and then re-synthesize the project so that .projen/tasks.json is regenerated with the corrected task definitions. Upgrading alone is not sufficient because the generated task definition file is committed to the repository.

    References: https://aws.amazon.com/security/security-bulletins/2026-108-aws/, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89066.json, https://github.com/projen/projen/releases/tag/v0.103.0, https://github.com/projen/projen/security/advisories/GHSA-q6g4-h6vc-vqm8, https://nvd.nist.gov/vuln/detail/CVE-2026-89066

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -e675fe62689a34e70e33c9f9d17a6c1c585fff4d

    Affected versions

    v0.102.0

    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
    CVE-2026-89066 | CVE-DB