Symfony Security-Http vulnerabilities

CVE-2026-45069 [CRITICAL] CWE-345 CVE-2026-45069: Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Pr Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 6.4.40, 7.4.12, and 8.0.12, OidcTokenHandler::verifyClaims() registered audience (aud), issuer (iss), and expiry (exp) checkers but did not pass the mandatory claims list to ClaimCheckerManager::check(), so a validly signed JWT that omitted t

CVE-2026-45063 [HIGH] CWE-290 Symfony Vulnerable to Identity Spoofing via Unanchored DN Regex in X509Authenticator Symfony Vulnerable to Identity Spoofing via Unanchored DN Regex in X509Authenticator ### Description `X509Authenticator` implements client-certificate (mTLS) authentication: the web server validates the client's certificate against a trusted CA, then passes the certificate's Subject DN (Distinguished Name: a string like `CN=Alice,O=Example,[email protected]`) to Symfo

CVE-2026-45075 [HIGH] CWE-863 CVE-2026-45075: Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Pr Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 7.4.12 and 8.0.12, method-scoped #[IsGranted], #[IsSignatureValid], and #[IsCsrfTokenValid] attributes can be configured for GET only, but Symfony routes HEAD requests to the GET handler while the attribute check is skipped, allowing protected co

CVE-2021-32693 [MEDIUM] CWE-287 Authentication granted to all firewalls instead of just one Authentication granted to all firewalls instead of just one Description When an application defines multiple firewalls, the authenticated token delivered by one of the firewalls is available to all other firewalls. This can be abused when the application defines different providers for different parts of an application. In such a situation, a user authenticated on one part of the application is consider

CVE-2026-48489 [HIGH] CWE-863 CVE-2026-48489: Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Pr Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 5.4.53, 6.4.41, 7.4.13, and 8.0.13, DefaultAuthenticationFailureHandler honored the request-supplied _failure_path parameter when failure_forward: true was enabled, allowing an unauthenticated failing login request to dispatch a subrequest to acc

CVE-2026-45074 [HIGH] CWE-290 CVE-2026-45074: Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Fr Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 7.1.0 until 7.4.12 and 8.0.12, Cas2Handler builds the CAS service parameter from Request::getSchemeAndHttpHost(), which reflects an attacker-controlled Host header when framework.trusted_hosts is not configured; an attacker controlling another applic

CVE-2024-51996 [HIGH] CWE-287 Symfony has an Authentication Bypass via RememberMe Symfony has an Authentication Bypass via RememberMe ### Description When consuming a persisted remember-me cookie, Symfony does not check if the username persisted in the database matches the username attached with the cookie, leading to authentication bypass. ### Resolution The `PersistentRememberMeHandler` class now ensures the submitted username is the cookie owner. The patch for this issue is available [he

CVE-2020-5275 [HIGH] CWE-285 Firewall configured with unanimous strategy was not actually unanimous in Symfony Firewall configured with unanimous strategy was not actually unanimous in Symfony Description On Symfony before 4.4.0, when a `Firewall` checks an access control rule (using the unanimous strategy), it iterates over all rule attributes and grant access only if *all* calls to the `accessDecisionManager` decide to grant access. As of Symfony 4.4.0, a bug was introduced that prevents th

CVE-2018-11385 [HIGH] CWE-384 Symfony Session Fixation Vulnerability Symfony Session Fixation Vulnerability An issue was discovered in the Security component in Symfony 2.7.x before 2.7.48, 2.8.x before 2.8.41, 3.3.x before 3.3.17, 3.4.x before 3.4.11, and 4.0.x before 4.0.11. A session fixation vulnerability within the "Guard" login feature may allow an attacker to impersonate a victim towards the web application if the session id value was previously known to the attacker.

CVE-2019-10911 [HIGH] CWE-200 Improper authentication in Symfony Improper authentication in Symfony In Symfony before 2.7.51, 2.8.x before 2.8.50, 3.x before 3.4.26, 4.x before 4.1.12, and 4.2.x before 4.2.7, a vulnerability would allow an attacker to authenticate as a privileged user on sites with user registration and remember me login functionality enabled. This is related to symfony/security.

CVE-2024-36611 [MEDIUM] CWE-287 Withdrawn Advisory: Symfony http-security has authentication bypass Withdrawn Advisory: Symfony http-security has authentication bypass ## Withdrawn Advisory This advisory has been withdrawn because the report is not part of a valid vulnerability. This link is maintained to preserve external references. For more information, see advisory-database/pull/5046. ## Original Description In Symfony, a security vulnerability was identified in the FormLoginAuthenticator

CVE-2015-8125 [HIGH] CWE-208 Symfony Vulnerable to Timing Attack Symfony Vulnerable to Timing Attack Symfony 2.3.x before 2.3.35, 2.6.x before 2.6.12, and 2.7.x before 2.7.7 might allow remote attackers to have unspecified impact via a timing attack involving the (1) `Symfony/Component/Security/Http/RememberMe/PersistentTokenBasedRememberMeServices` or (2) `Symfony/Component/Security/Http/Firewall/DigestAuthenticationListener` class in the Symfony Security Component, or (3) legacy CSRF implemen

CVE-2016-4423 [HIGH] Symphony Denial of Service Via Overlong Usernames Symphony Denial of Service Via Overlong Usernames The attemptAuthentication function in `Component/Security/Http/Firewall/UsernamePasswordFormAuthenticationListener.php` in Symfony before 2.3.41, 2.7.x before 2.7.13, 2.8.x before 2.8.6, and 3.0.x before 3.0.6 does not limit the length of a username stored in a session, which allows remote attackers to cause a denial of service (session storage consumption) via a series of au

CVE-2018-11406 [HIGH] CWE-352 Symfony CSRF Token Fixation Symfony CSRF Token Fixation An issue was discovered in the Security component in Symfony 2.7.x before 2.7.48, 2.8.x before 2.8.41, 3.3.x before 3.3.17, 3.4.x before 3.4.11, and 4.0.x before 4.0.11. By default, a user's session is invalidated when the user is logged out. This behavior can be disabled through the invalidate_session option. In this case, CSRF tokens were not erased during logout which allowed for CSRF token fixation.

CVE-2023-46733 [MEDIUM] CWE-384 Symfony possible session fixation vulnerability Symfony possible session fixation vulnerability ### Description SessionStrategyListener does not always migrate the session after a successful login. It only migrate the session when the logged-in user identifier changes. In some use cases, the user identifier doesn't change between the verification phase and the successful login, while the token itself changes from one type (partially-authenticated) to another (fu

CVE-2015-8124 [LOW] CWE-384 Symfony Session Fixation Vulnerability Symfony Session Fixation Vulnerability A session fixation vulnerability within the "Remember Me" login feature allows an attacker to impersonate the victim towards the web application if the session id value was previously known to the attacker. This issue has been fixed in Symfony 2.3.35, 2.6.12, and 2.7.7. Note that no fixes are provided for Symfony 2.4 and 2.5 as they are not maintained anymore. Symfony 2.8 and 3.0 haven't be

CVE-2021-21424 [MEDIUM] CWE-200 Prevent user enumeration using Guard or the new Authenticator-based Security Prevent user enumeration using Guard or the new Authenticator-based Security Description The ability to enumerate users was possible without relevant permissions due to different exception messages depending on whether the user existed or not. It was also possible to enumerate users by using a timing attack, by comparing time elapsed when authenticating an existing user and authenticati

CVE-2019-18886 [MEDIUM] CWE-200 User enumeration leak using switch user functionality in Symfony User enumeration leak using switch user functionality in Symfony An issue was discovered in Symfony 4.2.0 to 4.2.11 and 4.3.0 to 4.3.7. The ability to enumerate users was possible due to different handling depending on whether the user existed when making unauthorized attempts to use the switch users functionality. This is related to symfony/security.

CVE-2018-19790 [MEDIUM] CWE-601 Symfony Open Redirect Symfony Open Redirect An open redirect was discovered in Symfony 2.7.x before 2.7.50, 2.8.x before 2.8.49, 3.x before 3.4.20, 4.0.x before 4.0.15, 4.1.x before 4.1.9 and 4.2.x before 4.2.1. By using backslashes in the `_failure_path` input field of login forms, an attacker can work around the redirection target restrictions and effectively redirect the user to any domain after login.

CVE-2017-16652 [MEDIUM] CWE-601 Symfony Open Redirect Symfony Open Redirect An issue was discovered in Symfony 2.7.x before 2.7.38, 2.8.x before 2.8.31, 3.2.x before 3.2.14, and 3.3.x before 3.3.13. `DefaultAuthenticationSuccessHandler` or `DefaultAuthenticationFailureHandler` takes the content of the `_target_path` parameter and generates a redirect response, but no check is performed on the path, which could be an absolute URL to an external domain. This Open redirect vulnerability can be exp