{"id":"RUSTSEC-2026-0427","summary":"`sn-releases`: `extract_release_archive` writes archive entries without a path-traversal check (zip-slip)","details":"`SafeReleaseRepoActions::extract_release_archive` builds each output path from the **raw archive entry name** and writes to it with no traversal check, so a malicious release archive can create directories and write files **outside** the destination directory, a \"zip-slip\" / path traversal (CWE-22 / CWE-23).\n\nIn `src/lib.rs` (`extract_release_archive`, zip branch):\n\n```rust\nlet mut file = archive.by_index(i)?;\nlet out_path = dest_dir_path.join(file.name());   // file.name() is the raw entry name\nif file.name().ends_with('/') {\n    std::fs::create_dir_all(&out_path)?;          // no `..` check\n} else {\n    let mut outfile = std::fs::File::create(&out_path)?;   // writes outside dest\n    std::io::copy(&mut file, &mut outfile)?;\n}\n```\n\nThe crate is unmaintained (latest release 0.3.1, 2024-10-22) and no fixed version is available.","modified":"2026-10-30T11:15:02.179275249Z","published":"2026-10-29T12:00:00Z","database_specific":{"license":"CC0-1.0"},"references":[{"type":"PACKAGE","url":"https://crates.io/crates/sn-releases"},{"type":"ADVISORY","url":"https://rustsec.org/advisories/RUSTSEC-2026-0427.html"},{"type":"WEB","url":"https://github.com/maidsafe/sn-releases"}],"affected":[{"package":{"name":"sn-releases","ecosystem":"crates.io","purl":"pkg:cargo/sn-releases"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0.0.0-0"}]}],"ecosystem_specific":{"affects":{"arch":[],"os":[],"functions":["sn_releases::SafeReleaseRepoActions::extract_release_archive"]},"affected_functions":null},"database_specific":{"cvss":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","informational":null,"categories":["code-execution"],"source":"https://github.com/rustsec/advisory-db/blob/osv/crates/RUSTSEC-2026-0427.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}