CVE-2026-39976: Laravel Passport: TokenGuard Authenticates Unrelated User for Client Credentials Tokens

high Affects laravel/passport. Feed 2026.10.29.3, updated 2026-10-29; published 2026-04-08; advisory modified 2026-04-13.

Laravel Passport: TokenGuard Authenticates Unrelated User for Client Credentials Tokens

Package: laravel/passport Composer
Affected versions: >=13.0.0 and <13.7.1
Fixed in: 13.7.1
Severity: high CVSS 7.1
Exploitation: not on CISA KEV · EPSS 0% (21.5th percentile)
Published: 2026-04-08
Source: osv.dev

References

CWE-287

NVD record laravel/passport advisories

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