CVE-2026-61738

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CVE-2026-61738

Summary: SOCFortress CoPilot: Arbitrary Host File Write as Root via Path Traversal in the ScoutSuite GCP Report Upload (RCE)

Details: SOCFortress CoPilot focuses on providing a single pane of glass for all your security operations needs. Prior to 0.1.77, `POST /api/scoutsuite/generate-gcp-report` in `backend/app/integrations/scoutsuite/routes/scoutsuite.py` admits admin and analyst users and validates the uploaded content as `GCPScoutSuiteJSON`, but passes raw `file.filename` from the multipart header to `save_file_to_directory` in `backend/app/integrations/scoutsuite/services/scoutsuite.py`. The writer combines this filename with `scoutsuite-report` using `os.path.join` without sanitization or a resolved-path containment check. A traversal filename therefore writes the supplied JSON outside the intended report directory. In the reported root-running backend, the researcher demonstrated root-owned writes outside that directory and into the application source directory. This permits host-file overwrite subject to the accepted JSON-content constraint and can disrupt application operation; the demonstrated primitive does not establish unrestricted executable contents or unconditional cross-tenant confidentiality loss. Version 0.1.77 removes caller-controlled filenames from the affected route; unrestricted-content and direct-code-execution claims require separate curator reconciliation.

References: https://github.com/socfortress/CoPilot/tree/v0.1.77, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/61xxx/CVE-2026-61738.json, https://github.com/socfortress/CoPilot/security/advisories/GHSA-q3g8-3cf7-744f, https://nvd.nist.gov/vuln/detail/CVE-2026-61738, https://github.com/socfortress/CoPilot/commit/1881ef8d28bc7f45ffa88d7ba4fcca7302355508, https://github.com/socfortress/CoPilot/commit/bfa630b65d554670c7462a32ce6fd4e3cbd0254c, https://github.com/socfortress/CoPilot/pull/940, https://github.com/socfortress/CoPilot/pull/941