An authenticated user who can execute an eligible template and influence an allowed Bitbucket repository could affect filesystem paths outside the expected working area. Depending on the backend deployment, this could compromise backend confidentiality, integrity, or availability.
// patches
@backstage/plugin-scaffolder-backend-module-bitbucket-cloud version 0.3.10
@backstage/plugin-scaffolder-backend-module-bitbucket-server version 0.2.25
// workarounds
Restrict execution of affected Scaffolder templates to trusted users.
Avoid templates that accept user-controlled target repositories for these actions.
// cvss v3.1 vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Attack complexity
High
Privileges required
Low
User interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Checked 2026-10-07 at 23:57 UTC. The most recent advisory here was published 2026-10-07. Updated continuously from NVD, GHSA, OSV and CNA feeds.