Packagist/laravel/passport CVE-2026-39976: high 7.1, EPSS 0.29%

Laravel Passport: TokenGuard Authenticates Unrelated User for Client Credentials Tokens

Action: Upgrade laravel/passport to 13.7.1 or later.

composer require laravel/passport:13.7.1

Affected

Fixed versions

Sources

• osv: GHSA-349c-2h2f-mxf6
• https://github.com/laravel/passport/security/advisories/GHSA-349c-2h2f-mxf6
• https://nvd.nist.gov/vuln/detail/CVE-2026-39976
• https://github.com/laravel/passport/issues/1900
• https://github.com/thephpleague/oauth2-server/issues/1456#issuecomment-2734989996
• https://github.com/laravel/passport/pull/1901
• https://github.com/laravel/passport/pull/1902
• https://github.com/laravel/passport

CVE-2026-39976 · published 2026-04-08T19:57:55Z · modified 2026-04-13T18:11:23.408579Z · JSON