Findings

CVE-2026-42052

Beets is the media library management system.

Published May 4, 2026 · updated Jun 23, 2026

Beets is the media library management system. Prior to version 2.10.0, the bundled web UI uses Underscore template interpolation mode for untrusted metadata fields. In this runtime, is raw insertion and HTML escaping is only performed by . Rendered output is then inserted with .html(...), allowing attacker-controlled markup to become active DOM. This issue has been patched in version 2.10.0.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. May 4, 2026 · NIST NVD

    Detected

    Beets is the media library management system. Prior to version 2.10.0, the bundled web UI uses Underscore template interpolation mode for untrusted metadata fields. In this runtime, is raw insertion and HTML escaping is only performed by . Rendered output is then inserted with .html(...), allowing attacker-controlled markup to become active DOM. This issue has been patched in version 2.10.0.

  2. Jun 23, 2026 · NIST NVD

    Updated

    Beets is the media library management system. Prior to version 2.10.0, the bundled web UI uses Underscore template interpolation mode for untrusted metadata fields. In this runtime, is raw insertion and HTML escaping is only performed by . Rendered output is then inserted with .html(...), allowing attacker-controlled markup to become active DOM. This issue has been patched in version 2.10.0.

Sources

  • CVE.orgVulnerability recordCVE-2026-42052

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-42052

    Beets is the media library management system. Prior to version 2.10.0, the bundled web UI uses Underscore template interpolation mode for untrusted metadata fields. In this runtime, is raw insertion and HTML escaping is only performed by . Rendered

    nvd.nist.gov

References

CVE-2026-42052 · ZeroDay Findings