Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

Overview Affected versions of this package are vulnerable to Use of Cryptographically Weak Pseudo-Random Number Generator PRNG for the property source for $random.value as well as $random.int and $random.long. Standard PRNGs like java.util.Random use deterministic mathematical algorithms starting...

Elasticsearch auto-configuration with an SSL bundle disables TLS hostname verification

When configured to use an SSL bundle, Spring Boot's Elasticsearch auto-configuration does not perform hostname verification when connecting to the Elasticsearch server...

Symlink Attack

Overview Affected versions of this package are vulnerable to Symlink Attack due to insecure handling of Process ID PID files. When an application uses the ApplicationPidFileWriter, it writes its PID to a predictable file system path. A local attacker with write access to the PID file's directory...

Cassandra SSL auto-configuration disables TLS hostname verification

Spring Boot's Cassandra auto-configuration does not perform hostname verification when establishing an SSL connection to Cassandra...

Improper Validation of Certificate with Host Mismatch

Overview Affected versions of this package are vulnerable to Improper Validation of Certificate with Host Mismatch during the TLS handshake. When Spring Boot is configured to connect to Elasticsearch using an SSL bundle, the auto-configuration fails to verify that the hostname in the server's SSL...

Improper Validation of Certificate with Host Mismatch

Overview Affected versions of this package are vulnerable to Improper Validation of Certificate with Host Mismatch due to establishing SSL connections to Cassandra without verifying that the hostname in the server's SSL certificate actually matched the hostname of the server being connected to...

Insecure Temporary File

Overview Affected versions of this package are vulnerable to Insecure Temporary File due to the ApplicationTemp mechanism creating a temporary directory using a predictable name. Because the name can be easily guessed, a local attacker on the same server can maliciously pre-create this directory...

Security Bulletin: DevOps Test Performance contains a vulnerability due to use of Spring Boot

Summary Due to use of Spring Boot, DevOps Test Performance and Rational Performance Tester contain a potential authentication bypass vulnerability. Vulnerability Details CVEID:CVE-2026-22731 DESCRIPTION: Spring Boot applications with Actuator can be vulnerable to an "Authentication Bypass"...

Spring Office Hours Podcast: S5E13 - Community Potluck

Join Dan Vega and DaShaun Carter for the latest updates from the Spring Ecosystem. In this Potluck episode, Dan and DaShaun open up the floor to the community, answering your questions on Spring Boot, Spring AI, Spring Security, and whatever else is on your mind. Potluck episodes are shaped...

Servlet Path Not Correctly Included in Path Matching of HttpSecurity#securityMatchers

If an application is using securityMatchersString and a PathPatternRequestMatcher.Builder bean to prepend a servlet path, matching requests to that filter chain may fail and its related security components will not be exercised as intended by the application. This can lead to the authentication,...

This Week in Spring - April 14th, 2026

Hi, Spring fans! ¡Hola from Barcelona, Spain! I'm at the amazing Spring I/O event, hanging out with some of the amazing Spring ecosystem developers! Life is amazing here in the warm sun of springtime. There's a lot to look at this week, so let's dive right into it! Another nice tutorial on how to...

Exploit for Uncontrolled Resource Consumption in Siemens 6Bk1602-0Aa12-0Tp0_Firmware

CVE-2021-44228 — Log4Shell PoC Lab DISCLAIMER Este...

Exploit for Code Injection in Pivotal_Software Spring_Data_Commons

SpringBoot-Toolkit An interactive penetration-testing tool de...

This Week in Spring - April 7th, 2026

Hi Spring fans! Welcome to another installment of This Week in Spring! It's April 7th, 2026, and I'm on the road! I started the journey for the amazing Voxxed Days Amsterdam show and am now winding my way through France. I visited Colmar, a beautiful city from which the animators on Disney's Beau...

Security Bulletin: Remediation of Multiple Spring Vulnerabilities in IBM Library Support for Spring

Summary Multiple Spring Vulnerabilities have been addressed in IBM Library Support for Spring Vulnerability Details CVEID:CVE-2026-22731 DESCRIPTION: Spring Boot applications with Actuator can be vulnerable to an "Authentication Bypass" vulnerability when an application endpoint that requires...

CVE-2026-22733

Spring Boot applications with Actuator can be vulnerable to an "Authentication Bypass" vulnerability when an application endpoint that requires authentication is declared under the path used by the CloudFoundry Actuator endpoints. This issue affects Spring Security: from 4.0.0 through 4.0.3, from...

This Week in Spring - March 24th, 2026

Hi, Spring fans! Welcome to yet another rip-roarin' installment of This Week in Spring. As usual, we've got a ton to look into, so let's dive right in! Happy 22nd birthday to Spring Framework, released this day 22 years ago! and of course, next week, 1 April 2026, marks 12 years since Spring Boot...

CVE-2026-22731

A flaw was found in Spring Boot. This vulnerability, an authentication bypass, occurs when an application endpoint requiring authentication is declared under a specific path already configured for a Health Group additional path. A remote attacker could exploit this to bypass authentication,...

Authentication Bypass Using an Alternate Path or Channel

Overview Affected versions of this package are vulnerable to Authentication Bypass Using an Alternate Path or Channel via the configuration of endpoints under paths already assigned to Health Group additional paths. An attacker can gain unauthorized access to protected endpoints by sending reques...

Authentication Bypass Using an Alternate Path or Channel

Overview Affected versions of this package are vulnerable to Authentication Bypass Using an Alternate Path or Channel via the configuration of endpoints under paths already assigned to Health Group additional paths. An attacker can gain unauthorized access to protected endpoints by sending reques...