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    2 vulnerabilities found for Socialite by Laravel

    CVE-2026-73683 (GCVE-0-2026-73683)

    Vulnerability from nvd – Published: 2026-08-14 21:32 – Updated: 2026-08-18 02:16
    VLAI
    Title
    Laravel Socialite Facebook Provider Authentication Bypass via Nonce Replay
    Summary
    Laravel Socialite's Facebook provider contains an authentication bypass vulnerability that allows unauthenticated attackers to replay captured OIDC id_tokens by exploiting the missing nonce claim validation in the getUserByOIDCToken() function within FacebookProvider.php. Attackers who obtain a valid, unexpired id_token issued for the same Facebook App ID can submit the captured token to the backend userFromToken() endpoint, bypassing authentication controls because signature, aud, and iss checks pass while no session-bound nonce comparison is performed, resulting in unauthorized access to victim accounts.
    Severity
    8.1 (High)
    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
    9.2 (Critical)
    CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-18 02:16 UTC
    CWE
    • CWE-294 - Authentication Bypass by Capture-replay
    Assigner
    References
    Impacted products
    Vendor Product Version
    Laravel Socialite Affected: 0 , < 5.29.0 (semver)
    		Create a notification for this product.
    Date Public
    2026-08-06 00:00
    Credits
    Shion Takabe (GitHub: meihao550)
    Show details on NVD website
    To clipboard 

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    CVE-2026-73683 (GCVE-0-2026-73683)

    Vulnerability from cvelistv5 – Published: 2026-08-14 21:32 – Updated: 2026-08-18 02:16
    VLAI
    Title
    Laravel Socialite Facebook Provider Authentication Bypass via Nonce Replay
    Summary
    Laravel Socialite's Facebook provider contains an authentication bypass vulnerability that allows unauthenticated attackers to replay captured OIDC id_tokens by exploiting the missing nonce claim validation in the getUserByOIDCToken() function within FacebookProvider.php. Attackers who obtain a valid, unexpired id_token issued for the same Facebook App ID can submit the captured token to the backend userFromToken() endpoint, bypassing authentication controls because signature, aud, and iss checks pass while no session-bound nonce comparison is performed, resulting in unauthorized access to victim accounts.
    Severity
    8.1 (High)
    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
    9.2 (Critical)
    CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-18 02:16 UTC
    CWE
    • CWE-294 - Authentication Bypass by Capture-replay
    Assigner
    References
    Impacted products
    Vendor Product Version
    Laravel Socialite Affected: 0 , < 5.29.0 (semver)
    		Create a notification for this product.
    Date Public
    2026-08-06 00:00
    Credits
    Shion Takabe (GitHub: meihao550)
    Show details on NVD website
    To clipboard 

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