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CVE-2026-41855

Medium priority
Needs evaluation

In an untrusted JMS environment, org.springframework.jms.support.converter.MappingJackson2MessageConverter and org.springframework.jms.support.converter.JacksonJsonMessageConverter allow arbitrary class instantiation, which can...

1 affected package

libspring-java

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libspring-java Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-41854

Medium priority
Needs evaluation

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...

1 affected package

libspring-java

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libspring-java Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-41853

Medium priority
Needs evaluation

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.

1 affected package

libspring-java

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libspring-java Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-41852

Medium priority
Needs evaluation

A vulnerability in Spring Expression Language (SpEL) evaluation logic allows for arbitrary zero-argument method invocation, even within restricted or read-only contexts, which may allow an attacker to invoke unintended application...

1 affected package

libspring-java

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libspring-java Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-41851

Medium priority
Needs evaluation

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...

1 affected package

libspring-java

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libspring-java Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-41850

Medium priority
Needs evaluation

Applications that evaluate user-supplied Spring Expression Language (SpEL) expressions are vulnerable to an Algorithmic Denial of Service (DoS). By providing a specially crafted expression, an attacker can trigger...

1 affected package

libspring-java

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libspring-java Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-41849

Medium priority
Needs evaluation

An integer overflow vulnerability exists in the evaluation logic of the Spring Expression Language (SpEL). An attacker can exploit this by supplying a specially crafted SpEL expression that triggers excessive resource consumption,...

1 affected package

libspring-java

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libspring-java Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-41848

Medium priority
Needs evaluation

Applications may be vulnerable to a Regular Expression Denial of Service (ReDoS) attack if an attacker is able to provide a pattern which is then directly or indirectly supplied to one of the following methods in AntPathMatcher:...

1 affected package

libspring-java

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libspring-java Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-41847

Medium priority
Needs evaluation

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.

1 affected package

libspring-java

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libspring-java Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-41846

Medium priority
Needs evaluation

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...

1 affected package

libspring-java

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libspring-java Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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