GHSA-3q45-2fh7-66cj
Duplicate Advisory: better-auth has an external request basePath modification DoS
Withdrawn ·
At a glance
- Published
- Updated
- CVSS_V3
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS_V4
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Description
## Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-569q-mpph-wgww. This link is maintained to preserve external references. ## Original Description better-auth (npm) before 1.4.2 allows an external request to configure baseURL when it is not otherwise defined (e.g., BETTER_AUTH_URL is unset). An attacker able to make the very first request to the server after startup can poison the router's base path, causing all routes to return 404 for all users (denial of service). The issue is not reachable when baseURL is explicitly configured or on typical managed hosting platforms.
Affected packages
| Package | Versions |
|---|---|
| npm · better-auth | introduced 0, fixed 1.4.2 |
References
- https://github.com/better-auth/better-auth/security/advisories/GHSA-569q-mpph-wgww WEB
- https://nvd.nist.gov/vuln/detail/CVE-2025-71401 ADVISORY
- https://www.vulncheck.com/advisories/better-auth-before-basepath-modification-dos WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |