{"id":"GHSA-xw57-23p8-9wc5","aliases":[],"url":"https://o3.security/vulnerability/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.","published":"2026-07-02T19:07:22Z","modified":"2026-09-10T03:51:12.826398394Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"@asymmetric-effort/specifyjs","fixedVersion":"0.2.136"}],"fix":{"url":"https://github.com/asymmetric-effort/specifyjs/commit/25d1fb491d99479efdf501f5f75e0bb80c908f0a","label":"asymmetric-effort/specifyjs@25d1fb4"},"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"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-10T03:51:12.826398394Z"}}