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passport

Vendor: laravel

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Actively Exploited 0 CISA KEV List
PoC / Exploits 0 Code Available
Total RCEs 0 Remote Access
Total CVEs 1 Total Indexed
Avg. EPSS 0.11% Exploit Prob.
Latest CVE CVE-2026-39976 Apr 09

Security Vulnerability Index

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7.1 CVSS
CVE-2026-39976

Laravel Passport provides OAuth2 server support to Laravel. From 13.0.0 to before 13.7.1, there is an Authentication Bypass for client_credentials tokens. the league/oauth2-server library sets the JWT sub claim to the client identifier (since there's no user). The token guard then passes this value to retrieveById() without validating it's actually a user identifier, potentially resolving an unrelated real user. Any machine-to-machine token can inadvertently authenticate as an actual user. This vulnerability is fixed in 13.7.1.

EPSS: 0.11%