better-auth before 1.4.2 basePath Modification DoS (better-auth better-auth)

CVE-2025-71401
CRITICAL 9.3

En bref

Source
NVD
EPSS
EPSS 0.46 % · centile 40 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
VulnCheck
Statut NVD
Deferred

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.

Faiblesses (CWE)

  • CWE-770 — Allocation de ressources sans limite ni régulation

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 4.0CRITICAL 9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NVulnCheck
CVSS 3.1MEDIUM 5.9CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HVulnCheck
CVSS 4.0CRITICAL 9.3CVSS: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:XNVD · disclosure@vulncheck.com (Secondary)
CVSS 3.1MEDIUM 5.9CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HNVD · disclosure@vulncheck.com (Secondary)

Avis

Références européennes

Produits affectés

ProduitVersions
better-auth · better-authaffected 0 < 1.4.2 ; unaffected 1.4.2

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD