Symfony HttpFoundation - Access Control Bypass via PATH_INFO

Symfony HttpFoundation component = 2.0.0 and prior to versions 5.4.50, 6.4.29, and 7.3.7 contains an access control bypass vulnerability. The Request class improperly interprets some PATHINFO values, producing URL paths without a leading /. This allows bypassing access control rules that are buil...

Symfony - Authentication Bypass

Symfony 2.3.19 through 2.3.28, 2.4.9 through 2.4.10, 2.5.4 through 2.5.11, and 2.6.0 through 2.6.7, when ESI or SSI support enabled, does not check if the controller attribute is set, which allows remote attackers to bypass URL signing and security rules by including 1 no hash or 2 an invalid has...

Symfony Profiler - Remote Access via Injected Arguments

symfony/runtime is a module for the Symphony PHP framework which enables decoupling PHP applications from global state. When the registerargvargc php directive is set to on , and users call any URL with a special crafted query string, they are able to change the environment or debug mode used by...

GHSA-H5X3-XFC9-M39H Symfony: UrlGenerator Dot-Segment Encoding Skips Every Other Chained `../` or `./` → Generated URL Collapses Off-Route Under RFC 3986 Normalization

Description Symfony\Component\Routing\Generator\UrlGenerator::doGenerate percent-encodes . and .. path segments so that the generated URL still resolves to the originating route after RFC 3986 §5.2.4 dot-segment removal which strict RFC-3986 consumers — routers, reverse proxies, HTTP clients —...

GHSA-RRJ9-5Q2J-4GVR Symfony: Mailomat Mailer Webhook Parser Reads the HMAC Algorithm from the Request: Signature Algorithm Downgrade

Description Symfony\Component\Mailer\Bridge\Mailomat\Webhook\MailomatRequestParser::validateSignature parses the X-MOM-Webhook-Signature request header as algo=signature and passes the wire-supplied $algo directly to hashhmac when verifying the request against the configured webhook secret. The...

Symfony: Security Firewall Bypass via failure_forward Subrequest: Unauthenticated Access to access_control-Protected GET Routes

Description When a firewall is configured with form-login or any authenticator using DefaultAuthenticationFailureHandler and the failureforward: true option, the handler reads the failurepath parameter from the failing login request and uses it as the path of an internal subrequest dispatched...

GHSA-6H46-9JF5-Q59X Symfony: Security Firewall Bypass via failure_forward Subrequest: Unauthenticated Access to access_control-Protected GET Routes

Description When a firewall is configured with form-login or any authenticator using DefaultAuthenticationFailureHandler and the failureforward: true option, the handler reads the failurepath parameter from the failing login request and uses it as the path of an internal subrequest dispatched...

GHSA-X5QJ-865H-MGVM Symfony: HtmlSanitizer UrlAttributeSanitizer Misses URL Attributes

Description Symfony\Component\HtmlSanitizer\Visitor\AttributeSanitizer\UrlAttributeSanitizer::getSupportedAttributes enumerates the attribute names whose values are scrubbed through UrlSanitizer::sanitize scheme and host allow-lists, javascript: rejection, BiDi check, etc.. The list is 'src',...

GHSA-FQC7-9XJW-JRH3 SymfonyRuntime CVE-2024-50340 Patch Bypass: Web Requests Can Still Set APP_ENV/APP_DEBUG via parse_str/SAPI Argv Mismatch

Description CVE-2024-50340 GHSA-x8vp-gf4q-mw5j addressed an issue where, with registerargcargv=On, a crafted query string let an unauthenticated GET change the kernel environment and debug flag by feeding --env/--no-debug through $SERVER'argv'. The fix shipped in symfony/runtime 5.4.46 / 6.4.14 /...

PT-2026-48343

Description CVE-2024-50340 GHSA-x8vp-gf4q-mw5j addressed an issue where, with register argc argv=On, a crafted query string let an unauthenticated GET change the kernel environment and debug flag by feeding --env/--no-debug through $ SERVER'argv'. The fix shipped in symfony/runtime 5.4.46 / 6.4.1...

CVE-2026-41498

Kimai is an open-source time tracking application. Prior to version 2.54.0, the Team API endpoints use IsGranted'editteam' instead of IsGranted'edit', 'team', causing Symfony TeamVoter to abstain from voting. This removes entity-level ownership checks on team operations, allowing any user with th...

Symfony and Symfony HTML Sanitizer Component 6.1.x < 6.4.40 / 7.0.x < 7.4.12 / 8.0.x 8.0.12 Multiple Vulnerabilities

The version of Symfony and/or the Symfony HTML Sanitizer Component installed on the remote host is prior to 6.1.x prior to 6.4.40, 7.0.x prior to 7.4.12, 8.0.x prior to 8.0.12. and, therefore, affected by multiple vulnerabilities: - A visual spoofing vulnerability exists in Symfony Component...

Debian dsa-6317 : php-symfony - security update

The remote Debian 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6317 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6317-1 [email protected] https://www.debian.org/securit...

[SECURITY] [DSA 6317-1] symfony security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6317-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff June 01, 2026 https://www.debian.org/security/faq -...

Debian dsa-6312 : php-symfony - security update

The remote Debian 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6312 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6312-1 [email protected] https://www.debian.org/securit...

[SECURITY] [DSA 6312-1] symfony security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6312-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff May 31, 2026 https://www.debian.org/security/faq -...

GHSA-55RJ-X2VC-4WHQ Symfony: Twilio SMS Notifier allows unauthenticated webhook injection due to missing X-Twilio-Signature verification

Description The Twilio SMS notifier bridge ships a webhook request parser used to authenticate and decode the status callbacks Twilio POSTs to an application's webhook endpoint. Its doParseRequest $request, \SensitiveParameter string $secret method receives the configured webhook secret but never...

symfony/ux-autocomplete XSS via unescaped AJAX response data

More info at https://github.com/symfony/ux/security/advisories/GHSA-mwqm-4fw3-cjvr...

symfony/ux-live-component Denial of service via unbounded batch action requests

More info at https://github.com/symfony/ux/security/advisories/GHSA-mm82-c99c-h2cf...

symfony/ux-live-component Format-less date LiveProps parsed with the permissive DateTime constructor

More info at https://github.com/symfony/ux/security/advisories/GHSA-89g7-22c8-3j23...