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backend/requirements.txt carries only loose `>=` direct constraints and no compiled lockfile, so osv-scanner v2 resolves the transitive graph and pins each unpinned transitive package to its MINIMUM published version — surfacing CVEs in ancient releases pip would never install. That fired a phantom HIGH (tqdm 4.9.0, GHSA-r7q7-xcjw-qx8q) plus an idna finding on the OHM Patchwatch radar, even though the live deployment runs patched versions. Add `tqdm>=4.66.3` and `idna>=3.15` to anchor the resolver to the patched range. osv-scanner now reports zero findings. No direct-import / schema / API / config change; deployed installs already satisfy the floors. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>