{"id":"GHSA-xw57-23p8-9wc5","summary":"@asymmetric-effort/specifyjs: Localhost bypass incomplete (IPv6, 0.0.0.0, 127.x range)","details":"## Finding\n\n**Location**: `core/src/shared/secure-fetch.ts:52-54`\n\nThe localhost exception allowed `localhost` and `127.0.0.1` but did not cover `0.0.0.0`, `[::1]` (IPv6 localhost), or the full `127.0.0.0/8` loopback range.\n\n## Status\n\n**Fixed in v0.2.136** — Localhost detection now covers `localhost`, `127.0.0.1`, `[::1]`, `0.0.0.0`, and the full `127.x.x.x` range.","modified":"2026-09-10T03:51:12.826398394Z","published":"2026-07-02T19:07:22Z","database_specific":{"cwe_ids":["CWE-918"],"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2026-07-02T19:07:22Z","nvd_published_at":null},"references":[{"type":"WEB","url":"https://github.com/asymmetric-effort/specifyjs/security/advisories/GHSA-xw57-23p8-9wc5"},{"type":"WEB","url":"https://github.com/asymmetric-effort/specifyjs/commit/25d1fb491d99479efdf501f5f75e0bb80c908f0a"},{"type":"WEB","url":"https://github.com/asymmetric-effort/specifyjs/commit/293124c51bf797c0f5cdae32981110545850a893"},{"type":"PACKAGE","url":"https://github.com/asymmetric-effort/specifyjs"}],"affected":[{"package":{"name":"@asymmetric-effort/specifyjs","ecosystem":"npm","purl":"pkg:npm/%40asymmetric-effort/specifyjs"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.2.136"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/07/GHSA-xw57-23p8-9wc5/GHSA-xw57-23p8-9wc5.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"}]}