CLEANSTART-2026-DS55761 Applications that build a Content-Disposition header value from untrusted input may be vulnerable to HTTP response splitting when the input is a malicious file name

Security vulnerability affects the apache-nifi-registry package. Applications that build a Content-Disposition header value from untrusted input may be vulnerable to HTTP response splitting when the input is a malicious file name...

CLEANSTART-2026-GT33551 Spring LDAP's DirContextAuthenticationStrategy implementations do not reject a bind request where a non-empty username is paired with an empty or null password

Security vulnerability affects the apache-nifi-registry package. Spring LDAP's DirContextAuthenticationStrategy implementations do not reject a bind request where a non-empty username is paired with an empty or null password...

CLEANSTART-2026-IL27901 Spring MVC and WebFlux applications that obtain a data-binding Errors instance with HTML escaping enabled and then render field errors using the no-argument Errors

Security vulnerability affects the apache-nifi-registry package. Spring MVC and WebFlux applications that obtain a data-binding Errors instance with HTML escaping enabled and then render field errors using the no-argument Errors...

CLEANSTART-2026-IK05706 Spring MVC application that uses UrlFileNameViewController that is mapped with an end-of-path, and does not have a configured prefix is vulnerable to an open redirect

Security vulnerability affects the apache-nifi-registry package. A Spring MVC application that uses UrlFileNameViewController that is mapped with an end-of-path, and does not have a configured prefix is vulnerable to an open redirect...

CLEANSTART-2026-ZX09100 Spring Security Authorization Server's default consent page renders user-controlled values without HTML entity encoding

Security vulnerability affects the apache-nifi-registry package. Spring Security Authorization Server's default consent page renders user-controlled values without HTML entity encoding...

CLEANSTART-2026-DN56273 Applications using AesBytesEncryptor with the two-argument constructor or when passing a null IV generator and CBC as the encryption mode encrypt data with AES/CBC using a null (all-zero) initializ...

Security vulnerability affects the apache-nifi-registry package. Applications using AesBytesEncryptor with the two-argument constructor or when passing a null IV generator and CBC as the encryption mode encrypt data with AES/CBC using a null all-zero initialization vector...

CLEANSTART-2026-KL61134 application using Spring Security's WebAuthn support may be vulnerable to user verification bypass when using a distributed HTTP session store

Security vulnerability affects the apache-nifi-registry package. An application using Spring Security's WebAuthn support may be vulnerable to user verification bypass when using a distributed HTTP session store...

CLEANSTART-2026-AA31447 Several components in Spring Security compare security-sensitive values using standard string equality (String

Security vulnerability affects the apache-nifi-registry package. Several components in Spring Security compare security-sensitive values using standard string equality String...

CLEANSTART-2026-AY37213 Spring Security's embedded UnboundID LDAP server (UnboundIdContainer) unconditionally registers an administrative credential and binds its listener to all available network interfaces

Security vulnerability affects the apache-nifi-registry package. Spring Security's embedded UnboundID LDAP server UnboundIdContainer unconditionally registers an administrative credential and binds its listener to all available network interfaces...

CLEANSTART-2026-AM86994 Applications using Spring Framework's FreeMarker integration may be vulnerable to a path traversal attack when a controller returns a view name derived from untrusted input and FreeMarker is config...

Security vulnerability affects the apache-nifi-registry package. Applications using Spring Framework's FreeMarker integration may be vulnerable to a path traversal attack when a controller returns a view name derived from untrusted input and FreeMarker is configured to resolve templates through...

CLEANSTART-2026-AY31255 Spring RSocket application is exposed to a memory leak via a malformed SETUP frame

Security vulnerability affects the apache-nifi-registry package. A Spring RSocket application is exposed to a memory leak via a malformed SETUP frame...

CLEANSTART-2026-VX49826 PartEventHttpMessageReader in Spring WebFlux does not enforce the maxPartSize limit when maxInMemorySize is set to -1

Security vulnerability affects the apache-nifi-registry package. The PartEventHttpMessageReader in Spring WebFlux does not enforce the maxPartSize limit when maxInMemorySize is set to -1...

CLEANSTART-2026-AY49632 Spring WebFlux application that supports WebSocket connections may expose indirectly sensitive user information by including request headers in an exception reason

Security vulnerability affects the apache-nifi-registry package. A Spring WebFlux application that supports WebSocket connections may expose indirectly sensitive user information by including request headers in an exception reason...

CLEANSTART-2026-MK68457 WebFlux application running on the Jetty 12 Core reactive adapter serializes response cookies without the sameSite attribute

Security vulnerability affects the apache-nifi-registry package. A WebFlux application running on the Jetty 12 Core reactive adapter serializes response cookies without the sameSite attribute...

CLEANSTART-2026-BM08082 Use of XsltView in a Spring MVC application can result in SSRF and RCE attack if the application has an "/**" mapping that results in view rendering, and where the view name is not explicitly speci...

Security vulnerability affects the apache-nifi-registry package. Use of XsltView in a Spring MVC application can result in SSRF and RCE attack if the application has an "/" mapping that results in view rendering, and where the view name is not explicitly specified...

CLEANSTART-2026-CF84062 Spring WebFlux application that relies on the Aalto XML processor to parse XML input does not correctly enforce the maxInMemorySize limit

Security vulnerability affects the apache-nifi-registry package. A Spring WebFlux application that relies on the Aalto XML processor to parse XML input does not correctly enforce the maxInMemorySize limit...

CLEANSTART-2026-YE65839 WebFlux application using functional endpoints and deployed with DispatcherServlet may be vulnerable to a header predicate bypass in a pre-flight request

Security vulnerability affects the apache-nifi-registry package. A WebFlux application using functional endpoints and deployed with DispatcherServlet may be vulnerable to a header predicate bypass in a pre-flight request...

CLEANSTART-2026-IP81999 Applications that evaluate Spring Expression Language (SpEL) expressions using SimpleEvaluationContext may be vulnerable to a safety guard bypass when the SpEL expression compiler is active

Security vulnerability affects the apache-nifi-registry package. Applications that evaluate Spring Expression Language SpEL expressions using SimpleEvaluationContext may be vulnerable to a safety guard bypass when the SpEL expression compiler is active...

CLEANSTART-2026-MH81901 Spring MVC and WebFlux applications are vulnerable to stream corruption when using Server-Sent Events (SSE) with view fragments

Security vulnerability affects the apache-nifi-registry package. Spring MVC and WebFlux applications are vulnerable to stream corruption when using Server-Sent Events SSE with view fragments...

CLEANSTART-2026-SB20243 Spring MVC applications using the functional web framework are vulnerable to stream corruption when using Server-Sent Events (SSE)

Security vulnerability affects the apache-nifi-registry package. Spring MVC applications using the functional web framework are vulnerable to stream corruption when using Server-Sent Events SSE...