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CVE-2026-40997

Medium priority
Needs evaluation

Several Spring WS integration paths with Spring Security could surface detailed account state (for example locked or disabled user semantics) to remote SOAP clients through exception messages or callback outcomes, instead of...

1 affected package

spring

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
spring Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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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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