Linux Distros Unpatched Vulnerability : CVE-2026-31481

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: tracing: Drain deferred trigger frees if kthread creation fails Boot-time trigger registrati...

VMware Spring Boot security feature vulnerability

VMware Spring Boot is an open-source framework developed by the American company VMware. There are security vulnerabilities in versions 4.0.0 to 4.0.5, 3.5.0 to 3.5.13, 3.4.0 to 3.4.15, 3.3.0 to 3.3.18, and 2.7.0 to 2.7.32 of VMware Spring Boot. These vulnerabilities stem from the use of random...

VMware Spring Boot security vulnerabilities

VMware Spring Boot is an open-source framework developed by the American company VMware. Versions of VMware Spring Boot 4.0.0 to 4.0.5 have security vulnerabilities. These vulnerabilities stem from the default web security being ineffective, which may allow unauthorized access to all endpoints...

VMware Spring Boot backend link vulnerability

VMware Spring Boot is an open-source framework developed by the American company VMware. Vulnerabilities exist in versions 4.0.0 to 4.0.5, 3.5.0 to 3.5.13, 3.4.0 to 3.4.15, 3.3.0 to 3.3.18, and 2.7.0 to 2.7.32 of VMware Spring Boot. These vulnerabilities stem from issues with PID files and symbol...

CVE-2026-40977: Improper Link Resolution Before File Access

When an application is configured to use ApplicationPidFileWriter, a local attacker with write access to the PID file's location can corrupt one file on the host each time the application is started. Affected: Spring Boot 4.0.0–4.0.5 fix 4.0.6, 3.5.0–3.5.13 fix 3.5.14, 3.4.0–3.4.15 fix 3.4.16,...

CVE-2026-40975: Use of Insufficiently Random Values

Values produced by $random.value are not suitable for use as secrets. $random.uuid is not affected. $random.int and $random.long should never be used for secrets as they are numeric values with a predictable range. Affected: Spring Boot 4.0.0–4.0.5 fix 4.0.6, 3.5.0–3.5.13 fix 3.5.14, 3.4.0–3.4.15...

CVE-2026-40976: Missing Authorization

In certain circumstances, Spring Boot's default web security is ineffective allowing unauthorized access to all endpoints. For an application to be vulnerable, it must: be a servlet-based web application; have no Spring Security configuration of its own and rely on the default web security filter...

io.crossplane.compositefunctions:crossplane-function-example (>=1.20-alpha, <=2.1.0), io.crossplane.compositefunctions:crossplane-function-springboot-starter (>=1.20-alpha, <=2.1.0) +19 more potentially affected by CVE-2026-40968 via org.springframework.grpc:spring-grpc-core (>=1.0.0-rc1, <=1.0.2)

org.springframework.grpc:spring-grpc-core MAVEN version =1.0.0-rc1, =1.20-alpha, =1.20-alpha, =2026.01, =0.8.0, =6.0.0, =6.0.0, =6.0.0, =6.0.0, =6.0.0, =6.0.0, =6.0.0, =6.0.0, =1.0.0, =1.0.0-rc1, =1.0.2 - org.springfr...

io.crossplane.compositefunctions:crossplane-function-example (>=1.20-alpha, <=2.1.0), io.crossplane.compositefunctions:crossplane-function-springboot-starter (>=1.20-alpha, <=2.1.0) +19 more potentially affected by CVE-2026-40969 via org.springframework.grpc:spring-grpc-core (>=1.0.0-rc1, <=1.0.2)

org.springframework.grpc:spring-grpc-core MAVEN version =1.0.0-rc1, =1.20-alpha, =1.20-alpha, =2026.01, =0.8.0, =6.0.0, =6.0.0, =6.0.0, =6.0.0, =6.0.0, =6.0.0, =6.0.0, =6.0.0, =1.0.0, =1.0.0-rc1, =1.0.2 - org.springfr...

This Week in Spring - April 28th, 2026

Hi Spring fans! Welcome to another installment of This Week in Spring! As I write this, I'm on PTO in beautiful Santorini, Greece, catching up on some news and about to cruise the islands for some sightseeing. There's nothing quite like springtime in the Mediterranean! I couldn't dream of enjoyin...

CVE-2026-40972: Observable Timing Discrepancy

An attacker on the same network as the remote application may be able to utilize a timing attack to discover information about the remote secret. In extreme circumstances this could result in the attacker determining the secret and uploading changed classes, thereby achieving remote code executio...

CVE-2026-40974: Improper Certificate Validation

Spring Boot's Cassandra auto-configuration does not perform hostname verification when establishing an SSL connection to Cassandra. Affected: Spring Boot 4.0.0–4.0.5 fix 4.0.6, 3.5.0–3.5.13 fix 3.5.14, 3.4.0–3.4.15 fix 3.4.16, 3.3.0–3.3.18 fix 3.3.19, 2.7.0–2.7.32 fix 2.7.33; Cassandra SSL...

VMware Spring Boot security vulnerabilities

VMware Spring Boot is an open-source framework developed by the American company VMware. There are security vulnerabilities in versions 4.0.0 to 4.0.5, 3.5.0 to 3.5.13, 3.4.0 to 3.4.15, 3.3.0 to 3.3.18, and 2.7.0 to 2.7.32 of VMware Spring Boot. These vulnerabilities stem from a timing attack in...

Fedora 44 : util-linux (2026-67cf3d6cca)

The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-67cf3d6cca advisory. upstream update, fixes security-related bugs CVE-2026-27456 - mount8 TOCTOU symlink attack via loop device. The SUID mount follows symlinks when resolving lo...

VMware Spring Boot Trust Management Vulnerability

VMware Spring Boot is an open-source framework developed by the American company VMware. There are security vulnerabilities in versions 4.0.0 to 4.0.5, 3.5.0 to 3.5.13, 3.4.0 to 3.4.15, 3.3.0 to 3.3.18, and 2.7.0 to 2.7.32 of VMware Spring Boot. These vulnerabilities stem from the lack of hostnam...

VMware Spring Boot security vulnerabilities

VMware Spring Boot is an open-source framework developed by the American company VMware. There are security vulnerabilities in versions 4.0.0 to 4.0.5, 3.5.0 to 3.5.13, 3.4.0 to 3.4.15, 3.3.0 to 3.3.18, and 2.7.0 to 2.7.32 of VMware Spring Boot. These vulnerabilities stem from predictable tempora...

CVE-2026-40973: Insecure Temporary File

A local attacker on the same host as the application may be able to take control of the directory used by ApplicationTemp. When server.servlet.session.persistent is set to true and the attack persists across application restarts, this may allow the attacker to read session information and hijack...

CVE-2026-40977

When an application is configured to use "ApplicationPidFileWriter", a local attacker with write access to the PID file's location can corrupt one file on the host each time the application is started. Affected: Spring Boot 4.0.0–4.0.5 fix 4.0.6, 3.5.0–3.5.13 fix 3.5.14, 3.4.0–3.4.15 fix 3.4.16,...

CVE-2026-40977

When an application is configured to use ApplicationPidFileWriter, a local attacker with write access to the PID file's location can corrupt one file on the host each time the application is started. Affected: Spring Boot 4.0.0–4.0.5 fix 4.0.6, 3.5.0–3.5.13 fix 3.5.14, 3.4.0–3.4.15 fix 3.4.16,...

ai.new-wave:spring-agent-app (>=0.1.0, <=0.3.0), ai.new-wave:spring-agent-core (>=0.1.0, <=0.3.0) +5517 more potentially affected by CVE-2026-40977 via org.springframework.boot:spring-boot (>=4.0.0, <=4.0.5)

org.springframework.boot:spring-boot MAVEN version =4.0.0, =0.1.0, =0.1.0, =4.5.0, =4.5.0, =4.5.0, =4.5.0, =4.5.0, =4.7.0, =4.5.0, =4.5.0, =4.5.0, =4.5.0, =2.0.0-beta-2, =2.0.0-beta-2, =2.0.0 and more Source cves: CVE-2026-40977 Source advisory: MEND:CVE-2026-40977...