{"id":"GHSA-xw57-23p8-9wc5","aliases":[],"status":"published","title":"@asymmetric-effort/specifyjs: Localhost bypass incomplete (IPv6, 0.0.0.0, 127.x range)","description":"## 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.","severity":{"version":"4.0","score":6.9,"vector":"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","level":"medium","from":"ghsa"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-918"],"published":"2026-07-02T19:07:22Z","modified":"2026-09-10T03:51:12Z","fixes":[{"ecosystem":"npm","package":"@asymmetric-effort/specifyjs","fixed_in":["0.2.136"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"@asymmetric-effort/specifyjs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.136"}]}]},{"source":"osv","ecosystem":"npm","package":"@asymmetric-effort/specifyjs","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.2.136"}]}]}],"references":[{"url":"https://github.com/asymmetric-effort/specifyjs/security/advisories/GHSA-xw57-23p8-9wc5","tags":["web"]},{"url":"https://github.com/asymmetric-effort/specifyjs/commit/25d1fb491d99479efdf501f5f75e0bb80c908f0a","tags":["web"]},{"url":"https://github.com/asymmetric-effort/specifyjs/commit/293124c51bf797c0f5cdae32981110545850a893","tags":["web"]},{"url":"https://github.com/advisories/GHSA-xw57-23p8-9wc5"},{"url":"https://github.com/asymmetric-effort/specifyjs","tags":["package"]}],"sources":{"ghsa":[{"id":"GHSA-xw57-23p8-9wc5","title":"@asymmetric-effort/specifyjs: Localhost bypass incomplete (IPv6, 0.0.0.0, 127.x range)","description":"## 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.","status":"published","published":"2026-07-02T19:07:22Z","modified":"2026-07-02T19:07:24Z","cvss":[{"version":"4.0","score":6.9,"vector":"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","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:40:37.437888Z"}],"osv":[{"id":"GHSA-xw57-23p8-9wc5","title":"@asymmetric-effort/specifyjs: Localhost bypass incomplete (IPv6, 0.0.0.0, 127.x range)","description":"## 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.","status":"published","published":"2026-07-02T19:07:22Z","modified":"2026-09-10T03:51:12.826398394Z","cvss":[{"version":"4.0","score":6.9,"vector":"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","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:47:00.604718Z"}]}}