UBUNTU-CVE-2026-41838

IDs for WebSocket sessions in the spring-websocket module are not cryptographically unpredictable, which may be possible to exploit in combination with inadequate authorization rules. Affected versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 throug...

UBUNTU-CVE-2026-41847

Spring WebFlux applications may be vulnerable to a security bypass when using the Kotlin Router DSL. Affected versions: Spring Framework 5.3.0 through 5.3.48...

UBUNTU-CVE-2026-41846

Spring MVC applications which accept user-supplied values in the cssClass, cssErrorClass, or cssStyle attributes of JSP form tags allow arbitrary HTML/JavaScript code injection, potentially resulting in a cross-site scripting XSS vulnerability. Affected versions: Spring Framework 7.0.0 through...

UBUNTU-CVE-2026-41841

Spring MVC and WebFlux applications are vulnerable to Information Disclosure attacks when resolving static resources. Affected versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48...

UBUNTU-CVE-2026-41853

Spring MVC and WebFlux applications are vulnerable to Multipart request smuggling attacks. Affected versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48...

UBUNTU-CVE-2026-41855

In an untrusted JMS environment, org.springframework.jms.support.converter.MappingJackson2MessageConverter and org.springframework.jms.support.converter.JacksonJsonMessageConverter allow arbitrary class instantiation, which can lead to unauthorized actions via gadget class deserialization. Affect...

UBUNTU-CVE-2026-41839

A WebFlux application with a compromised subdomain for example, compromised via cross-site scripting XSS is vulnerable to an escalation attack exchanging a known session ID for that of an authenticated user. Affected versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0...

UBUNTU-CVE-2026-41854

Due to incorrect host parsing, applications that rely on UriComponentsBuilder to parse and validate an externally provided URL string may be exposed to a server-side request forgery SSRF attack. Affected versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18...

UBUNTU-CVE-2026-41840

Spring WebFlux applications are vulnerable to Denial of Service DoS attacks when processing multipart requests. Affected versions: Spring Framework 7.0.0 through 7.0.7, 6.2.0 through 6.2.18, 6.1.0 through 6.1.27, 5.3.0 through 5.3.48...

UBUNTU-CVE-2026-41851

Applications which accept user-supplied Spring Expression Language SpEL expressions may be vulnerable to a Denial of Service DoS attack if the evaluation of a SpEL expression triggers unbounded cache growth. Affected versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0...

CVE-2026-41855 Spring Framework Unsafe Deserialization via Jackson JMS Converters

In an untrusted JMS environment, org.springframework.jms.support.converter.MappingJackson2MessageConverter and org.springframework.jms.support.converter.JacksonJsonMessageConverter allow arbitrary class instantiation, which can lead to unauthorized actions via gadget class deserialization. Affect...

CVE-2026-41855

In an untrusted JMS environment, org.springframework.jms.support.converter.MappingJackson2MessageConverter and org.springframework.jms.support.converter.JacksonJsonMessageConverter allow arbitrary class instantiation, which can lead to unauthorized actions via gadget class deserialization. Affect...

CVE-2026-41855 Spring Framework Unsafe Deserialization via Jackson JMS Converters

In an untrusted JMS environment, org.springframework.jms.support.converter.MappingJackson2MessageConverter and org.springframework.jms.support.converter.JacksonJsonMessageConverter allow arbitrary class instantiation, which can lead to unauthorized actions via gadget class deserialization. Affect...

EUVD-2026-35344

In an untrusted JMS environment, org.springframework.jms.support.converter.MappingJackson2MessageConverter and org.springframework.jms.support.converter.JacksonJsonMessageConverter allow arbitrary class instantiation, which can lead to unauthorized actions via gadget class deserialization. Affect...

CVE-2026-41855

CVE-2026-41855 affects Spring Framework components MappingJackson2MessageConverter and JacksonJsonMessageConverter in untrusted JMS environments, enabling arbitrary class instantiation and gadget deserialization that could lead to unauthorized actions. Affected versions include Spring Framework 7...

CVE-2026-41854

Due to incorrect host parsing, applications that rely on UriComponentsBuilder to parse and validate an externally provided URL string may be exposed to a server-side request forgery SSRF attack. Affected versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18...

CVE-2026-41854 Spring Framework Server-Side Request Forgery via UriComponentsBuilder

Due to incorrect host parsing, applications that rely on UriComponentsBuilder to parse and validate an externally provided URL string may be exposed to a server-side request forgery SSRF attack. Affected versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18...

EUVD-2026-35343

Due to incorrect host parsing, applications that rely on UriComponentsBuilder to parse and validate an externally provided URL string may be exposed to a server-side request forgery SSRF attack. Affected versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18...

CVE-2026-41854 Spring Framework Server-Side Request Forgery via UriComponentsBuilder

Due to incorrect host parsing, applications that rely on UriComponentsBuilder to parse and validate an externally provided URL string may be exposed to a server-side request forgery SSRF attack. Affected versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18...

CVE-2026-41853

Spring MVC and WebFlux applications are vulnerable to Multipart request smuggling attacks. Affected versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48...