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CVE-2025-71401 better-auth before 1.4.2 basePath Modification DoS

🗓️ 02 Aug 2026 12:15:23Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 53 Views

Better-auth before 1.4.2 allows an initial request to modify baseURL, poisoning the base path and causing routes to return 404.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2025-71401
2 Aug 202612:15
–attackerkb
circl
Circl
CVE-2025-71401
3 Aug 202604:44
–circl
cve
CVE
CVE-2025-71401
2 Aug 202612:15
–cve
euvd
EUVD
EUVD-2025-210592
2 Aug 202612:15
–euvd
github
Github Security Blog
Duplicate Advisory: better-auth has an external request basePath modification DoS
2 Aug 202615:30
–github
github
Github Security Blog
Better Auth affected by external request basePath modification DoS
1 Dec 202521:29
–github
mend
Mend
CVE-2025-71401
2 Aug 202612:15
–mend
nvd
NVD
CVE-2025-71401
2 Aug 202613:16
–nvd
osv_ghsa
osv_ghsa
GHSA-569Q-MPPH-WGWW Better Auth affected by external request basePath modification DoS
1 Dec 202521:29
–osv_ghsa
ptsecurity
Positive Technologies
PT-2025-62895
1 Dec 202500:00
–ptsecurity
Rows per page
[
  {
    "vendor": "better-auth",
    "product": "better-auth",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:npm/better-auth",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "1.4.2"
      },
      {
        "version": "1.4.2",
        "status": "unaffected",
        "versionType": "semver"
      }
    ]
  }
]

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