## Fallow: A `.*` glob segment let an analyzed repository make Fallow test paths in the parent of the project root

- 種別: advisory
- 重大度: low
- 関連技術: nodejs, rust
- 公開日時: 2026-10-23T21:58:16.000Z
- 情報源: GitHub Advisory Database (https://github.com/advisories/GHSA-h4fr-cmh5-qr62)
- パーマリンク: https://vulnpulse.app/items/ghsa-ghsa-h4fr-cmh5-qr62

影響: npm:fallow < 3.34.0 → 3.34.0, npm:@fallow-cli/fallow-node < 3.34.0 → 3.34.0, rust:fallow-cli < 3.34.0 → 3.34.0, rust:fallow-config < 3.34.0 → 3.34.0, rust:fallow-core < 3.34.0 → 3.34.0
Fallow expands some globs from the analyzed repository on disk. Before 3.34.0, a segment such as ., .? or .. in such a glob also matched the special .. entry. The glob crate tests .. against a segment that starts with a literal .. Fallow validates plugin glob patterns and refuses absolute paths and .. segments, but these segments passed that validation. The attacker controls the repository content. The attacker must also be able to read the Fallow output, for example a CI log or a pull request…