Arbitrary code execution due to incomplete sandbox protection: Constructors, instance variable initializers, and instance initializers in Pipeline scripts were not subject to sandbox protection, and could therefore execute arbitrary code. This could be exploited e.g. by regular Jenkins users with the permission to configure Pipelines in Jenkins, or by trusted committers to repositories containing Jenkinsfiles.

Jenkins before 1.551 and LTS before 1.532.2 does not invalidate the API token when a user is deleted, which allows remote authenticated users to retain access via the token.

Directory traversal vulnerability in the CLI job creation (hudson/cli/CreateJobCommand.java) in Jenkins before 1.551 and LTS before 1.532.2 allows remote authenticated users to overwrite arbitrary files via the job name.

A sandbox bypass vulnerability in Jenkins Script Security Plugin 1.67 and earlier related to the handling of default parameter expressions in closures allowed attackers to execute arbitrary code in sandboxed scripts.

A sandbox bypass vulnerability in Jenkins ontrack Plugin 3.4 and earlier allowed attackers with control over ontrack DSL definitions to execute arbitrary code on the Jenkins master JVM.

A sandbox bypass vulnerability in Jenkins Script Security Plugin 1.61 and earlier related to the handling of method pointer expressions allowed attackers to execute arbitrary code in sandboxed scripts.

A sandbox bypass vulnerability exists in Jenkins Script Security Plugin 1.50 and earlier in src/main/java/org/jenkinsci/plugins/scriptsecurity/sandbox/groovy/SecureGroovyScript.java that allows attackers with Overall/Read permission to provide a Groovy script to an HTTP endpoint that can result in arbitrary code execution on the Jenkins master JVM.

A sandbox bypass vulnerability exists in Jenkins Matrix Project Plugin 1.13 and earlier in pom.xml, src/main/java/hudson/matrix/FilterScript.java that allows attackers with Job/Configure permission to execute arbitrary code on the Jenkins master JVM.

A sandbox bypass vulnerability exists in Jenkins Groovy Plugin 2.0 and earlier in src/main/java/hudson/plugins/groovy/StringScriptSource.java that allows attackers with Overall/Read permission to provide a Groovy script to an HTTP endpoint that can result in arbitrary code execution on the Jenkins master JVM.

An improper authorization vulnerability exists in Jenkins 2.158 and earlier, LTS 2.150.1 and earlier in core/src/main/java/hudson/security/TokenBasedRememberMeServices2.java that allows attackers with Overall/RunScripts permission to craft Remember Me cookies that would never expire, allowing e.g. to persist access to temporarily compromised user accounts.

Jenkins Kubernetes :: Pipeline :: Arquillian Steps Plugin provides a custom whitelist for script security that allowed attackers to invoke arbitrary methods, bypassing typical sandbox protection.

Jenkins Pipeline Remote Loader Plugin 1.4 and earlier provided a custom whitelist for script security that allowed attackers to invoke arbitrary methods, bypassing typical sandbox protection.

A sandbox bypass vulnerability exists in Pipeline: Groovy Plugin 2.61 and earlier in src/main/java/org/jenkinsci/plugins/workflow/cps/CpsFlowDefinition.java, src/main/java/org/jenkinsci/plugins/workflow/cps/CpsGroovyShellFactory.java that allows attackers with Overall/Read permission to provide a pipeline script to an HTTP endpoint that can result in arbitrary code execution on the Jenkins master JVM.

A sandbox bypass vulnerability exists in Jenkins Script Security Plugin 1.53 and earlier in src/main/java/org/jenkinsci/plugins/scriptsecurity/sandbox/groovy/GroovySandbox.java, src/main/java/org/jenkinsci/plugins/scriptsecurity/sandbox/groovy/SecureGroovyScript.java that allows attackers with Overall/Read permission to execute arbitrary code on the Jenkins master JVM.

A sandbox bypass vulnerability in Jenkins Script Security Plugin 1.61 and earlier related to the handling of type casts allowed attackers to execute arbitrary code in sandboxed scripts.

A sandbox bypass vulnerability exists in Jenkins Pipeline: Groovy Plugin 2.63 and earlier in pom.xml, src/main/java/org/jenkinsci/plugins/workflow/cps/CpsGroovyShell.java that allows attackers able to control pipeline scripts to execute arbitrary code on the Jenkins master JVM.

Jenkins Simple Travis Pipeline Runner Plugin 1.0 and earlier specifies unsafe values in its custom Script Security whitelist, allowing attackers able to execute Script Security protected scripts to execute arbitrary code.

A sandbox bypass vulnerability exists in Jenkins Groovy Plugin 2.1 and earlier in pom.xml, src/main/java/hudson/plugins/groovy/StringScriptSource.java that allows attackers with Overall/Read permission to execute arbitrary code on the Jenkins master JVM.

Jenkins Filesystem Trigger Plugin 0.40 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.

Jenkins JIRA Plugin 3.0.10 and earlier does not declare the correct (folder) scope for per-folder Jira site definitions, allowing users to select and use credentials with System scope.

An exposure of sensitive information vulnerability exists in Jenkins Accurev Plugin 0.7.16 and earlier in AccurevSCM.java that allows attackers to capture credentials with a known credentials ID stored in Jenkins.

An exposure of sensitive information vulnerability exists in Jenkins Kubernetes Plugin 1.10.1 and earlier in KubernetesCloud.java that allows attackers to capture credentials with a known credentials ID stored in Jenkins.

Jenkins Puppet Enterprise Pipeline 1.3.1 and earlier specifies unsafe values in its custom Script Security whitelist, allowing attackers able to execute Script Security protected scripts to execute arbitrary code.

A sandbox bypass vulnerability exists in Script Security Plugin 1.49 and earlier in src/main/java/org/jenkinsci/plugins/scriptsecurity/sandbox/groovy/GroovySandbox.java that allows attackers with the ability to provide sandboxed scripts to execute arbitrary code on the Jenkins master JVM.

A sandbox bypass vulnerability exists in Pipeline: Declarative Plugin 1.3.3 and earlier in pipeline-model-definition/src/main/groovy/org/jenkinsci/plugins/pipeline/modeldefinition/parser/Converter.groovy that allows attackers with Overall/Read permission to provide a pipeline script to an HTTP endpoint that can result in arbitrary code execution on the Jenkins master JVM.

A sandbox bypass vulnerability exists in Jenkins Email Extension Plugin 2.64 and earlier in pom.xml, src/main/java/hudson/plugins/emailext/ExtendedEmailPublisher.java, src/main/java/hudson/plugins/emailext/plugins/content/EmailExtScript.java, src/main/java/hudson/plugins/emailext/plugins/content/ScriptContent.java, src/main/java/hudson/plugins/emailext/plugins/trigger/AbstractScriptTrigger.java that allows attackers with Job/Configure permission to execute arbitrary code on the Jenkins master JVM.

A sandbox bypass vulnerability exists in Jenkins Job DSL Plugin 1.71 and earlier in job-dsl-core/src/main/groovy/javaposse/jobdsl/dsl/AbstractDslScriptLoader.groovy, job-dsl-plugin/build.gradle, job-dsl-plugin/src/main/groovy/javaposse/jobdsl/plugin/JobDslWhitelist.groovy, job-dsl-plugin/src/main/groovy/javaposse/jobdsl/plugin/SandboxDslScriptLoader.groovy that allows attackers with control over Job DSL definitions to execute arbitrary code on the Jenkins master JVM.

Jenkins Kubernetes :: Pipeline :: Kubernetes Steps Plugin provides a custom whitelist for script security that allowed attackers to invoke arbitrary methods, bypassing typical sandbox protection.

An improper authorization vulnerability exists in Jenkins 2.158 and earlier, LTS 2.150.1 and earlier in core/src/main/java/hudson/security/AuthenticationProcessingFilter2.java that allows attackers to extend the duration of active HTTP sessions indefinitely even though the user account may have been deleted in the mean time.

Jenkins Recipe Plugin 1.2 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.

Jenkins WMI Windows Agents Plugin 1.8 and earlier includes the Windows Remote Command library which has a buffer overflow vulnerability that may allow users able to connect to a named pipe to execute commands on the Windows agent machine.

Jenkins Storable Configs Plugin 1.0 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.

Jenkins WMI Windows Agents Plugin 1.8 and earlier includes the Windows Remote Command library does not implement access control, potentially allowing users to start processes even if they're not allowed to log in.

Jenkins Chef Sinatra Plugin 1.20 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.

A sandbox bypass vulnerability in Jenkins Pipeline: Shared Groovy Libraries Plugin 552.vd9cc05b8a2e1 and earlier allows attackers with Item/Configure permission to execute arbitrary code in the context of the Jenkins controller JVM through crafted SCM contents, if a global Pipeline library already exists.

Jenkins Pipeline: Shared Groovy Libraries Plugin 552.vd9cc05b8a2e1 and earlier uses the names of Pipeline libraries to create cache directories without any sanitization, allowing attackers with Item/Configure permission to execute arbitrary code in the context of the Jenkins controller JVM using specially crafted library names if a global Pipeline library configured to use caching already exists.

A missing check in Jenkins dbCharts Plugin 0.5.2 and earlier allows attackers with Overall/Read permission to connect to an attacker-specified database via JDBC using attacker-specified credentials.

A missing permission check in Jenkins SWAMP Plugin 1.2.6 and earlier allows attackers with Overall/Read permission to connect to an attacker-specified web server using attacker-specified credentials.

A missing permission check in Jenkins Chef Sinatra Plugin 1.20 and earlier allows attackers with Overall/Read permission to have Jenkins send an HTTP request to an attacker-controlled URL and have it parse an XML response.

Jenkins Pipeline: Multibranch Plugin 706.vd43c65dec013 and earlier uses the same checkout directories for distinct SCMs for the readTrusted step, allowing attackers with Item/Configure permission to invoke arbitrary OS commands on the controller through crafted SCM contents.

A missing permission check in Jenkins SCP publisher Plugin 1.8 and earlier allows attackers with Overall/Read permission to connect to an attacker-specified SSH server using attacker-specified credentials.

Jenkins Pipeline: Shared Groovy Libraries Plugin 552.vd9cc05b8a2e1 and earlier uses the same checkout directories for distinct SCMs for Pipeline libraries, allowing attackers with Item/Configure permission to invoke arbitrary OS commands on the controller through crafted SCM contents.

A sandbox bypass vulnerability in Jenkins Pipeline: Shared Groovy Libraries Plugin 552.vd9cc05b8a2e1 and earlier allows attackers with Item/Configure permission to execute arbitrary code on the Jenkins controller JVM using specially crafted library names if a global Pipeline library is already configured.

A sandbox bypass vulnerability exists in Pipeline: Groovy Plugin 2.59 and earlier in groovy-sandbox/src/main/java/org/kohsuke/groovy/sandbox/SandboxTransformer.java, groovy-cps/lib/src/main/java/com/cloudbees/groovy/cps/SandboxCpsTransformer.java that allows attackers with Job/Configure permission, or unauthorized attackers with SCM commit privileges and corresponding pipelines based on Jenkinsfiles set up in Jenkins, to execute arbitrary code on the Jenkins master JVM

Jenkins Checkstyle Plugin 3.49 and earlier processes XML external entities in files it parses as part of the build process, allowing attackers with user permissions in Jenkins to extract secrets from the Jenkins master, perform server-side request forgery, or denial-of-service attacks.

Jenkins JUnit Plugin 1.23 and earlier processes XML external entities in files it parses as part of the build process, allowing attackers with user permissions in Jenkins to extract secrets from the Jenkins master, perform server-side request forgery, or denial-of-service attacks.

Jenkins Pipeline: Supporting APIs Plugin 2.17 and earlier have an arbitrary code execution due to incomplete sandbox protection: Methods related to Java deserialization like readResolve implemented in Pipeline scripts were not subject to sandbox protection, and could therefore execute arbitrary code. This could be exploited e.g. by regular Jenkins users with the permission to configure Pipelines in Jenkins, or by trusted committers to repositories containing Jenkinsfiles.

Jenkins Android Lint Plugin 2.5 and earlier processes XML external entities in files it parses as part of the build process, allowing attackers with user permissions in Jenkins to extract secrets from the Jenkins master, perform server-side request forgery, or denial-of-service attacks.

Jenkins PMD Plugin 3.49 and earlier processes XML external entities in files it parses as part of the build process, allowing attackers with user permissions in Jenkins to extract secrets from the Jenkins master, perform server-side request forgery, or denial-of-service attacks.

Jenkins DRY Plugin 2.49 and earlier processes XML external entities in files it parses as part of the build process, allowing attackers with user permissions in Jenkins to extract secrets from the Jenkins master, perform server-side request forgery, or denial-of-service attacks.