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Symfony may allow a user to switch to using another user's identity

  • Publicada: 30.05.2024
  • Actualizado: 11.10.2026 10:22

Symfony 2.0.6 has just been released. It addresses a security vulnerability in the EntityUserProvider as provided in the Doctrine bridge.

If you let your users update their login/username from a form, and if you are using Doctrine as a user provider, then you are vulnerable and you should upgrade as soon as possible.

The issue is that it is possible for a user to switch to another one. Here is how to reproduce it: The current user changes its username via a form to another existing username. When the form is submitted, he will have a validation error (as the username already exists) but the user object in the session will still be modified to the new username. This user from the session will be used for the next requests and so the user will be switched to this other user.

The fix is to always refresh the user via the primary key (which cannot be updated via a form) instead of the username.

If you cannot upgrade immediately, please apply the following patch: https://github.com/symfony/symfony/commit/9d2ab9ca9c1762

Software afectado

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PlataformaPaqueteVersiones vulnerablesCorregida en
Paquete de Composer symfony/symfony >= 2.0.0, < 2.0.6 2.0.6

Referencias

Puntuación CVSS 6.5/10
Vector CVSS
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Debilidad (CWE)
CWE-287
Plataforma
Composer
Paquete
symfony/symfony
Publicada
30.05.2024
Actualizado
11.10.2026 10:22

Fuentes y licencias

OSV / GitHub Advisory Database - GHSA-7mx2-7q8p-pgmw - CC BY 4.0

Historial de vulnerabilidades: symfony/symfony

Todas las vulnerabilidades publicadas de este paquete (Paquete de Composer), de la más reciente a la más antigua. Muestra si es un fallo aislado o un paquete que hay que vigilar.

Todas (100) en el archivo
Entradas en total
100
Primera → última
11.2019 06.2026
Sin corrección
0
Explotada en ataques
0

Distribución por gravedad

  • Crítica 8
  • Alta 28
  • Media 51
  • Baja 13

Divulgaciones por año

Gravedad:
  1. Symfony: Security Firewall Bypass via failure_forward Subrequest: Unauthenticated Access to access_control-Protected GET Routes
    Alta CVE-2026-48489 < 5.4.53, >= 6.0.0, < 6.4.41, >= 7.0.0, < 7.4.13, >= 8.0.0, < 8.0.13 5.4.53, 6.4.41, 7.4.13, 8.0.13
  2. Symfony has Unauthenticated PHP Object Deserialization in MonologBridge server:log Listener
    Alta CVE-2026-45077 < 5.4.52, >= 6.0.0, < 6.4.40, >= 7.0.0, < 7.4.12, >= 8.0.0, < 8.0.12 5.4.52, 6.4.40, 7.4.12, 8.0.12
  3. Symfony's HEAD Request Bypasses methods: ['GET'] Filter in #[IsGranted] / #[IsSignatureValid] / #[IsCsrfTokenValid]
    Alta CVE-2026-45075 >= 7.4.0, < 7.4.12, >= 8.0.0, < 8.0.12 7.4.12, 8.0.12
  4. Symfony has Email Header / SMTP Command Injection via CRLF in Symfony\Component\Mime\Address
    Alta CVE-2026-45067 < 5.4.52, >= 6.0.0, < 6.4.40, >= 7.0.0, < 7.4.12, >= 8.0.0, < 8.0.12 5.4.52, 6.4.40, 7.4.12, 8.0.12
  5. Symfony Vulnerable to Identity Spoofing via Unanchored DN Regex in X509Authenticator
    Alta CVE-2026-45063 < 5.4.52, >= 6.0.0-BETA1, < 6.4.40, >= 7.0.0-BETA1, < 7.4.12, >= 8.0.0-BETA1, < 8.0.12 5.4.52, 6.4.40, 7.4.12, 8.0.12
  6. Symfony's incorrect parsing of PATH_INFO can lead to limited authorization bypass
    Alta · 7.3 CVE-2025-64500 >= 2.0.0, < 5.4.50, >= 6.0.0, < 6.4.29, >= 7.0.0, < 7.3.7 5.4.50, 6.4.29, 7.3.7
  7. Symfony vulnerable to command execution hijack on Windows with Process class
    Alta · 8.4 CVE-2024-51736 < 5.4.46, >= 6.0.0, < 6.4.14, >= 7.0.0, < 7.1.7 5.4.46, 6.4.14, 7.1.7
  8. Symfony Cross-Site Request Forgery vulnerability in the Web Profiler
    Alta · 8.1 CVE-2014-6072 >= 2.0.0, < 2.3.19, >= 2.4.0, < 2.4.9, >= 2.5.0, < 2.5.4 2.3.19, 2.4.9, 2.5.4
  9. Symfony XML Entity Expansion security vulnerability
    Alta · 7.5 ghsa-q2gc-gg3x-7942 >= 2.0.0, < 2.0.17 2.0.17
  10. Symfony XML decoding attack vector through external entities
    Crítica · 9.8 ghsa-mmcv-fvq8-r9x3 >= 2.0.0, < 2.0.11 2.0.11
  11. Symfony may allow a user to switch to using another user's identity esta entrada
    Media · 6.5 ghsa-7mx2-7q8p-pgmw >= 2.0.0, < 2.0.6 2.0.6
  12. Symfony allows direct access of ESI URLs behind a trusted proxy
    Alta · 7.5 CVE-2014-5245 >= 2.0.0, < 2.3.19, >= 2.4.0, < 2.4.9, >= 2.5.0, < 2.5.4 2.3.19, 2.4.9, 2.5.4
  13. Symfony vulnerable to denial of service via a malicious HTTP Host header
    Alta · 7.5 CVE-2014-5244 >= 2.0.0, < 2.3.19, >= 2.4.0, < 2.4.9, >= 2.5.0, < 2.5.4 2.3.19, 2.4.9, 2.5.4
  14. Code injection in the way Symfony implements translation caching in FrameworkBundle
    Alta · 7.5 CVE-2014-4931 >= 2.0.0, < 2.3.19, >= 2.4.0, < 2.4.9, >= 2.5.0, < 2.5.4 2.3.19, 2.4.9, 2.5.4
  15. Symfony Incorrect Access Control
    Crítica · 9.8 CVE-2017-11365 >= 2.7.30, < 2.7.32, >= 2.8.23, < 2.8.25, >= 3.2.10, < 3.2.12, >= 3.3.3, < 3.3.5 2.7.32, 2.8.25, 3.2.12, 3.3.5
  16. Symphony Denial of Service Via Overlong Usernames
    Alta · 7.5 CVE-2016-4423 >= 2.3.0, < 2.3.41, >= 2.4.0, < 2.7.13, >= 2.8.0, < 2.8.6, >= 3.0.0, < 3.0.6 2.3.41, 2.7.13, 2.8.6, 3.0.6
  17. Symfony Cryptographic Vulnerability
    Alta · 7.5 CVE-2016-1902 >= 2.3.0, < 2.3.37, >= 2.4.0, < 2.6.13, >= 2.7.0, < 2.7.9 2.3.37, 2.6.13, 2.7.9
  18. Symfony Vulnerable to Timing Attack
    Alta CVE-2015-8125 >= 2.3.0, < 2.3.35, >= 2.7.0, < 2.7.7, >= 2.4.0, < 2.6.12 2.3.35, 2.7.7, 2.6.12
  19. Symphony Vulnerable to PHP Code Injection via YAML Parsing
    Alta CVE-2013-1348 >= 2.0.0, < 2.0.22 2.0.22
  20. Symfony Arbitrary PHP code Execution
    Alta CVE-2013-1397 >= 2.2.0-BETA1, < 2.2.0-BETA2, >= 2.0.0, < 2.0.22, >= 2.1.0, < 2.1.7 2.2.0-BETA2, 2.0.22, 2.1.7
  21. Symfony Authentication Bypass
    Crítica · 9.8 CVE-2018-11407 >= 2.8.0, < 2.8.37, >= 3.0.0, < 3.3.17, >= 3.4.0, < 3.4.7, >= 4.0.0, < 4.0.7 2.8.37, 3.3.17, 3.4.7, 4.0.7
  22. Symfony Authentication Bypass
    Crítica · 9.8 CVE-2016-2403 >= 2.8.0, < 2.8.6, >= 3.0.0, < 3.0.6 2.8.6, 3.0.6
  23. Symfony Host Header Injection
    Alta · 7.2 CVE-2018-14774 >= 2.7.0, < 2.7.49, >= 2.8.0, < 2.8.44, >= 3.3.0, < 3.3.18, >= 3.4.0, < 3.4.14, >= 4.0.0, < 4.0.14, >= 4.1.0, < 4.1.3 2.7.49, 2.8.44, 3.3.18, 3.4.14, 4.0.14, 4.1.3
  24. Symfony Session Fixation Vulnerability
    Alta · 8.1 CVE-2018-11385 >= 2.7.0, < 2.7.48, >= 2.8.0, < 2.8.41, >= 3.0.0, < 3.3.17, >= 3.4.0, < 3.4.11, >= 4.0.0, < 4.0.11 2.7.48, 2.8.41, 3.3.17, 3.4.11, 4.0.11
  25. Symfony Directory Traversal
    Alta · 7.5 CVE-2017-16654 >= 2.7.0, < 2.7.38, >= 2.8.0, < 2.8.31, >= 3.0.0, < 3.2.14, >= 3.3.0, < 3.3.13 2.7.38, 2.8.31, 3.2.14, 3.3.13
  26. Symfony CSRF Token Fixation
    Alta · 8.8 CVE-2018-11406 >= 2.7.0, < 2.7.48, >= 2.8.0, < 2.8.41, >= 3.0.0, < 3.3.17, >= 3.4.0, < 3.4.11, >= 4.0.0, < 4.0.11 2.7.48, 2.8.41, 3.3.17, 3.4.11, 4.0.11
  27. Symfony collectionCascaded and collectionCascadedDeeply fields security bypass
    Alta · 8.1 CVE-2013-4751 >= 2.0.0, < 2.0.24, >= 2.1.0, < 2.1.12, >= 2.2.0, < 2.2.5, >= 2.3.0, < 2.3.3 2.0.24, 2.1.12, 2.2.5, 2.3.3
  28. Symfony Http-Kernel has non-constant time comparison in UriSigner
    Alta · 8.1 CVE-2019-18887 >= 2.2.0, < 2.8.52, >= 3.0.0, < 3.4.35, >= 4.0.0, < 4.2.12, >= 4.3.0, < 4.3.8 2.8.52, 3.4.35, 4.2.12, 4.3.8
  29. RCE in Symfony
    Alta · 8.0 CVE-2020-15094 >= 4.3.0, < 4.4.13, >= 5.0.0, < 5.1.5 4.4.13, 5.1.5
  30. Firewall configured with unanimous strategy was not actually unanimous in Symfony
    Alta · 7.6 CVE-2020-5275 >= 4.4.0, < 4.4.7, >= 5.0.0, < 5.0.7 4.4.7, 5.0.7
  31. Improper authentication in Symfony
    Alta · 7.5 CVE-2019-10911 >= 2.7.0, < 2.7.51, >= 2.8.0, < 2.8.50, >= 3.0.0, < 3.4.26, >= 4.0.0, < 4.1.12, >= 4.2.0, < 4.2.7 2.7.51, 2.8.50, 3.4.26, 4.1.12, 4.2.7
  32. Deserialization of untrusted data in Symfony
    Alta · 7.1 CVE-2019-10912 >= 2.8.0, < 2.8.50, >= 3.0.0, < 3.4.26, >= 4.0.0, < 4.1.12, >= 4.2.0, < 4.2.7 2.8.50, 3.4.26, 4.1.12, 4.2.7
  33. Improper Input Validation in Symfony
    Crítica · 9.8 CVE-2019-11325 >= 4.2.0, < 4.2.12, >= 4.3.0, < 4.3.8 4.2.12, 4.3.8
  34. Invalid HTTP method overrides allow possible XSS or other attacks in Symfony
    Crítica · 9.8 CVE-2019-10913 >= 2.7.0, < 2.7.51, >= 2.8.0, < 2.8.50, >= 3.0.0, < 3.4.26, >= 4.0.0, < 4.1.12, >= 4.2.0, < 4.2.7 2.7.51, 2.8.50, 3.4.26, 4.1.12, 4.2.7
  35. Argument injection in a MimeTypeGuesser in Symfony
    Alta · 7.5 CVE-2019-18888 >= 2.0.0, < 2.8.52, >= 3.0.0, < 3.4.35, >= 4.0.0, < 4.2.12, >= 4.3.0, < 4.3.8 2.8.52, 3.4.35, 4.2.12, 4.3.8
  36. Symfony Unsafe Cache Serialization Could Enable RCE
    Crítica · 9.8 CVE-2019-18889 >= 3.1.0, < 3.4.35, >= 4.0.0, < 4.2.12, >= 4.3.0, < 4.3.8 3.4.35, 4.2.12, 4.3.8
  37. Symfony Service IDs Allow Injection
    Crítica · 9.8 CVE-2019-10910 >= 2.7.0, < 2.7.51, >= 2.8.0, < 2.8.50, >= 3.0.0, < 3.4.26, >= 4.0.0, < 4.1.12, >= 4.2.0, < 4.2.7 2.7.51, 2.8.50, 3.4.26, 4.1.12, 4.2.7

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