CVE-2026-67337: better-auth versions before 1.4.9 contain a two-factor authentication bypass vulnerability when session.cookieCache is enabled. Attackers with valid primary credentials can access
better-auth versions before 1.4.9 contain a two-factor authentication bypass vulnerability when session.cookieCache is enabled. Attackers with valid primary credentials can access authenticated routes without completing second-factor verification by exploiting premature session caching.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-67337
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-67337 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for better-auth
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- highCVE-2026-67336: better-auth versions before 1.6.11 contain insecure cryptographic defaults in the oidcProvider…nvd · 2026-08-01
- mediumCVE-2026-67335: better-auth versions before 1.6.2 fail to validate the OAuth state parameter against the store…nvd · 2026-08-01
- lowCVE-2026-67334: better-auth versions before 1.6.11 fail to delete cached sessions when removing users via admi…nvd · 2026-08-01
- highCVE-2026-67333: better-auth before 1.6.13 (and pre-release builds 1.7.0-beta.0 through 1.7.0-beta.3) fail to v…nvd · 2026-08-01
- mediumCVE-2026-67332: @better-auth/oauth-provider before 1.7.0-beta.4 fails to bind access-token audience to the aut…nvd · 2026-08-01
- highCVE-2026-67331: better-auth SCIM versions from 1.5.0 before 1.7.0-beta.4 fail to bind non-organization SCIM pr…nvd · 2026-08-01
More from NVD Recent CVEs
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- mediumCVE-2026-67354: guzzlehttp/guzzle versions before 7.15.1 contain an information disclosure vulnerability in Re…2026-08-01
- mediumCVE-2026-67353: guzzlehttp/guzzle versions before 7.15.1 contain a denial of service vulnerability in the Cook…2026-08-01
- highCVE-2026-67352: luci-app-https-dns-proxy contains a stored cross-site scripting vulnerability in the resolver_…2026-08-01
- mediumCVE-2026-67344: ArcadeDB before 26.7.2 fails to enforce the UPDATE_SCHEMA database permission on the ALTER TYP…2026-08-01