CVE-2026-41840

Spring WebFlux applications are vulnerable to Denial of Service when processing multipart requests. Affected: Spring Framework 7.0.0–7.0.7; 6.2.0–6.2.18; 6.1.0–6.1.27; 5.3.0–5.3.48. CVSSv3.1: AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H (base score 5.9, MEDIUM). Exploitation details are not provided in th...

CVE-2026-41839

The CVE-2026-41839 affects Spring Framework WebFlux. A WebFlux application with a compromised subdomain (e.g., via XSS) is vulnerable to an escalation attack that exchanges a known session ID for that of an authenticated user. Affected versions are: Spring Framework 7.0.0–7.0.7; 6.2.0–6.2.18; 6.1...

CVE-2026-41839 Spring Framework Escalation via Session Fixation in WebFlux

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...

CVE-2026-41839 Spring Framework Escalation via Session Fixation in WebFlux

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...

EUVD-2026-35326

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...

CVE-2026-41838 Spring Framework Predictable Session ID in WebSocket Module

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...

EUVD-2026-35325

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...

CVE-2026-41838

Spring Framework's WebSocket session IDs in the spring-websocket module are not cryptographically unpredictable, enabling potential session hijacking in environments with weak authorization. Affected: Spring Framework 7.0.0–7.0.7; 6.2.0–6.2.18; 6.1.0–6.1.27; 5.3.0–5.3.48. Risk summary: predictabl...

CVE-2026-41838 Spring Framework Predictable Session ID in WebSocket Module

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...

EUVD-2026-35324

Spring LDAP's DirContextAuthenticationStrategy implementations do not reject a bind request where a non-empty username is paired with an empty or null password. Affected versions: Spring LDAP 2.4.0 through 2.4.4; 3.2.0 through 3.2.17; 3.3.0 through 3.3.7; 4.0.0 through 4.0.3...

CVE-2026-41720 Authentication Bypass with Empty Password in Spring LDAP

Spring LDAP's DirContextAuthenticationStrategy implementations do not reject a bind request where a non-empty username is paired with an empty or null password. Affected versions: Spring LDAP 2.4.0 through 2.4.4; 3.2.0 through 3.2.17; 3.3.0 through 3.3.7; 4.0.0 through 4.0.3...

Linux Distros Unpatched Vulnerability : CVE-2026-41839

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A WebFlux application with a compromised subdomain for example, compromised via cross-site scripting XSS is vulnerable to an escalation attack exchanging a know...

PT-2026-47657

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...

PT-2026-47654

Spring MVC and WebFlux applications are vulnerable to Path Traversal 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...

PT-2026-47661

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 excessive resource consumption during evaluation, leading to application degradation or...

UBUNTU-CVE-2026-41850

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 excessive resource consumption during evaluation, leading to application degradation or...

UBUNTU-CVE-2026-41843

Spring MVC and WebFlux applications are vulnerable to Path Traversal 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-2026-41844

A Spring MVC or Spring WebFlux application which configures a mapping for "/" where the view name is not explicitly specified allows an attacker to craft a link resulting in a 302 redirect to an arbitrary external host via the redirect: prefix. Affected versions: Spring Framework 7.0.0 through...

Linux Distros Unpatched Vulnerability : CVE-2026-41851

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

Linux Distros Unpatched Vulnerability : CVE-2026-41838

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - IDs for WebSocket sessions in the spring-websocket module are not cryptographically unpredictable, which may be possible to exploit in combination with inadequa...