Agent-to-controller deserialization filter bypass

Jenkins uses the https://github.com/jenkinsci/remotingRemoting library typically agent.jar or remoting.jar for communication between the controller and agents via serialized Java objects. To protect against deserialization vulnerabilities, Jenkins enforces the https://jenkins.io/jep/200JEP-200...

CSRF vulnerability and missing permission checks in scm-manager

scm-manager 1.11.1 and earlier does not perform permission checks in several HTTP endpoints. This allows attackers with Overall/Read permission to connect to an attacker-specified HTTP URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in...

Stored XSS vulnerability in qualys-cs

qualys-cs 1.8.0.5 and earlier does not escape user-controlled field values in a JavaScript context. This results in a stored cross-site scripting XSS vulnerability exploitable by attackers with Item/Configure permission. As of publication of this advisory, there is no fix. Learn why we announce...

Exposure of System-scoped credentials in horreum

horreum 0.16.162.v33b4aab5f828 and earlier does not set the appropriate context for credentials lookup, allowing the use of System-scoped credentials otherwise reserved for the global configuration. This allows attackers with Item/Configure permission to have Jenkins send credentials they are not...

XXE vulnerability in ivy-report

ivy-report 1.2 and earlier does not configure its XML parser to prevent XML external entity XXE attacks. This allows attackers able to control workspace contents to have Jenkins parse a crafted Ivy report XML file that uses external entities for extraction of secrets from the Jenkins controller o...

CSRF vulnerability in jenkins-multijob-plugin allows arbitrary code execution

jenkins-multijob-plugin 669.v9d96ad9c71b0 and earlier does not require POST requests for a form validation endpoint, resulting in a cross-site request forgery CSRF vulnerability. This vulnerability allows attackers to execute arbitrary code in the context of the Jenkins controller JVM...

Missing permission check in external-workspace-manager allows reading workspace files

external-workspace-manager 1.4.1 and earlier does not perform a permission check 1.4.0 and earlier or performs an improper permission check 1.4.1 when providing access to externally-managed workspaces through the workspace browser. This allows attackers with Overall/Read permission to read files ...

Stored XSS vulnerability in summary_report

summaryreport 1.15 and earlier does not escape the job name in a JavaScript context in build report pages. This results in a stored cross-site scripting XSS vulnerability exploitable by attackers with Item/Create or Item/Configure permission. As of publication of this advisory, there is no fix...

Missing permission check in violation-comments-to-gitlab allows enumerating credentials IDs

violation-comments-to-gitlab 2.62.0 and earlier does not perform a permission check in an HTTP endpoint. This allows attackers with Overall/Read permission to enumerate credentials IDs of credentials stored in Jenkins. Those can be used as part of an attack to capture the credentials using anothe...

Path traversal vulnerability in file parameters

Jenkins 2.575 and earlier, LTS 2.568.1 and earlier improperly identifies file paths attempting path traversal in file parameter names. This allows attackers with Item/Configure and Item/Build permission to write files to arbitrary locations on the controller file system, restricted only by file...

Improper handling of case sensitivity allows privilege escalation

Jenkins 2.575 and earlier, LTS 2.568.1 and earlier handles case-insensitivity in user names and group names inconsistently. While the canonical ID for a case-insensitive user or group name is created by lowercasing the name, comparisons of user names and group names are done using...

Users with Overall/Manage permission can instantiate any types related to configuration

Jenkins 2.575 and earlier, LTS 2.568.1 and earlier does not restrict the types of objects that can be instantiated as part of the project naming strategy configuration. This allows attackers with Overall/Manage permission to instantiate arbitrary types related to configuration, including those...

Missing permission checks in appscan allow enumerating credentials IDs

appscan 1.8.3 and earlier does not perform permission checks in multiple HTTP endpoints. This allows attackers with Overall/Read permission to enumerate credentials IDs of credentials stored in Jenkins. Those can be used as part of an attack to capture the credentials using another vulnerability...

Missing permission checks in xml-job-to-job-dsl

xml-job-to-job-dsl 0.1.13 and earlier does not perform permission checks, and makes its functionality available to users lacking Overall/Read permission. While only jobs the user has Item/Read permission for will be accessible, it does not require Item/Extended Read permission to convert their...

Non-constant time webhook bearer token comparison in webhook-secret-credentials-provider

webhook-secret-credentials-provider 16.v0cfaf0215cf5 and earlier does not use a constant-time comparison function when checking whether the provided and expected webhook bearer token are equal. This could potentially allow attackers to use statistical methods to obtain a valid webhook bearer toke...

Missing permission checks in Parameterized-Remote-Trigger allow enumerating credentials IDs

Parameterized-Remote-Trigger 3.2.2 and earlier does not perform permission checks in HTTP endpoints. This allows attackers with Overall/Read permission to enumerate credentials IDs of credentials stored in Jenkins. Those can be used as part of an attack to capture the credentials using another...

Missing permission checks in aws-codebuild allow enumerating credentials IDs

aws-codebuild 0.59 and earlier does not perform permission checks in several HTTP endpoints. This allows attackers with Overall/Read permission to enumerate credentials IDs of credentials stored in Jenkins. Those can be used as part of an attack to capture the credentials using another...

Link following vulnerability allows arbitrary file creation

Jenkins 2.575 and earlier, LTS 2.568.1 and earlier does not safely handle symbolic links with effectively empty names during the extraction of .tar and .tar.gz archives. This allows attackers able to control agent processes to provide crafted archives to the controller to write files to arbitrary...

Missing permission checks in sauce-ondemand allow enumerating credentials IDs

sauce-ondemand 2.2.0 and earlier does not perform permission checks in several HTTP endpoints. This allows attackers with Overall/Read permission to enumerate credentials IDs of credentials stored in Jenkins. Those can be used as part of an attack to capture the credentials using another...

Missing permission checks in codesonar allow enumerating credentials IDs

codesonar 3.6.0 and earlier does not perform permission checks in several HTTP endpoints. This allows attackers with Overall/Read permission to enumerate credentials IDs of credentials stored in Jenkins. Those can be used as part of an attack to capture the credentials using another vulnerability...

Arbitrary code execution vulnerability in jenkins-multijob-plugin

jenkins-multijob-plugin 669.v9d96ad9c71b0 and earlier provides Groovy scripting features that do not integrate with Script Security Plugin. This vulnerability allows attackers with Item/Create or Item/Configure permission to execute arbitrary code in the context of the Jenkins controller JVM...

Exposure of System-scoped credentials in google-chat-notification

google-chat-notification 166.ve6bde280f2e8 and earlier does not set the appropriate context for credentials lookup, allowing the use of System-scoped credentials otherwise reserved for the global configuration. This allows attackers with Item/Configure permission to access and capture credentials...

Sandbox bypass vulnerability in script-security

script-security provides a sandbox feature that allows running user-provided scripts safely by intercepting and checking potentially unsafe operations. script-security 1402.v94c9ce464861 and earlier does not intercept the implicit type cast applied to each element of the iterated collection in a...

CSRF vulnerability and unrestricted instantiation of types in workflow-cps

workflow-cps 4331.v9d06ed4658ff and earlier does not restrict the types that can be instantiated through the Pipeline Snippet Generator, instantiating any type with a constructor annotated with @DataBoundConstructor in response to a request. This allows attackers to have workflow-cps instantiate...

Builds executed on the Jenkins controller by zapper can lead to RCE

zapper 1.0.7 and earlier does not support distributed builds, causing the file operations and build process of its "Automatically build ZAP" feature to be performed on the Jenkins controller rather than on the agent the build is assigned to. This allows attackers with Item/Configure permission to...

CSRF vulnerability and missing permission check in contrast-continuous-application-security

contrast-continuous-application-security 3.11 and earlier does not perform a permission check in an HTTP endpoint that tests the connection to a Contrast TeamServer. This allows attackers with Overall/Read permission to connect to an attacker-specified URL using an attacker-specified username, AP...

Missing permission check in git-parameter allows listing SCM branch and tag names

git-parameter 462.vdcf3df2ed2ca and earlier does not perform a permission check in an HTTP endpoint that populates the list of values for Git parameters by querying the SCM configured on a job, using the SCM credentials configured in Jenkins. This allows attackers with Item/Read permission to...

Incorrect permission check in gitee allows enumerating credentials IDs

gitee 1288.v18bdebc9069b and earlier does not correctly perform a permission check in an HTTP endpoint. This allows attackers with global Item/Configure permission while lacking Item/Configure permission on any particular job to enumerate credentials IDs of credentials stored in Jenkins. Those ca...

CSRF vulnerability and missing permission check in zdevops

zdevops 1.1.3.50.ve350c9b450b1 and earlier does not perform a permission check in an HTTP endpoint implementing a connection test. This allows attackers with Overall/Read permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method,...

OS command injection vulnerability on agents in git-client

git-client 6.6.0 and earlier does not correctly escape the workspace directory name when it is embedded into the SSH wrapper script generated by the "Manually provided keys" Git Host Key Verification strategy on Unix agents. This allows attackers able to control the name of a build's working...

Missing permission checks in contrast-continuous-application-security allow enumerating Contrast metadata

contrast-continuous-application-security 3.11 and earlier does not perform permission checks in several HTTP endpoints that fill list box options with the names of the configured Contrast metadata. This allows attackers with Overall/Read permission to enumerate the names of configured Contrast...

Missing permission check allows enumerating GitHub Enterprise server URLs in github-branch-source

github-branch-source 1967.1969.v205fd594c821 and earlier does not perform a permission check in an HTTP endpoint that lists the GitHub API endpoints configured in the global plugin configuration. This allows attackers with Overall/Read permission to obtain the URLs of GitHub Enterprise servers...

CSRF vulnerability in PrioritySorter

PrioritySorter 936.v2c01c6b84449 and earlier does not require POST requests in an HTTP endpoint that saves the global job priority configuration. This allows attackers to overwrite the global job priority configuration. PrioritySorter 936.937.v5581d0b2ccba requires POST requests for the affected...

LDAP injection vulnerability in active-directory

In active-directory 2.41.1 and earlier, the Windows native ADSI authentication path does not escape the user name before building the LDAP search filter. This allows unauthenticated attackers to inject LDAP wildcard characters into the user name, enabling them to enumerate directory user and grou...

Passwords stored in plain text by fitnesse

fitnesse 1.36 and earlier stores passwords unencrypted in job config.xml files on the Jenkins controller as part of its configuration. These passwords can be viewed by users with Item/Extended Read permission or access to the Jenkins controller file system. As of publication of this advisory, the...

SSL/TLS certificate validation unconditionally disabled by bitbucket-push-and-pull-request

bitbucket-push-and-pull-request 3.3.8 and earlier unconditionally disables SSL/TLS certificate and hostname validation for the connections it makes to Bitbucket Server using Bearer token authentication. Because the Bearer token is transmitted in these requests, this allows attackers able to...

Script security bypass vulnerability in script-security

script-security 1402.v94c9ce464861 and earlier does not reject Groovy AST transformation annotations such as @CompileStatic and @TypeChecked that carry an extensions member, which causes Groovy to load and execute a script from the classpath at compile time, before the sandbox is applied. This ma...

Missing permission check in mcp-server allows reading Pipeline replay scripts

mcp-server 0.177.v629fdb2557fe and earlier does not perform a permission check in the getReplayScripts MCP tool that returns the replay script of a Pipeline build. This allows attackers with Item/Read permission to obtain the Pipeline script of jobs. mcp-server 0.178.vffe5ae770f3b requires...

CSRF vulnerability and missing permission checks in ec2-fleet

ec2-fleet 4.2.3.539.v8fedff2a81c3 and earlier does not perform permission checks in several HTTP endpoints used to validate cloud configurations. This allows attackers with Overall/Read permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through...

XXE vulnerability in assembla

assembla 1.4 and earlier does not configure its XML parser to prevent XML external entity XXE attacks when parsing responses from the configured Assembla server. This allows attackers able to control the responses of the configured Assembla server to extract secrets from the Jenkins controller or...

Encrypted values of secrets in job and agent configurations not redacted by jobConfigHistory

jobConfigHistory 1356.ve360da6c523a and earlier does not redact the encrypted values of secrets when displaying historical job and agent configurations through its "View as XML" / "RAW" feature and its configuration diff views. This allows attackers with Item/Extended Read permission but not...

Missing permission checks and CSRF vulnerability in gitee

gitee 1288.v18bdebc9069b and earlier does not perform permission checks in several HTTP endpoints implementing form validation for its global configuration. This allows attackers with Overall/Read permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained...

Path traversal vulnerability in external-workspace-manager

external-workspace-manager 1.3.2 and earlier does not reject .. path segments when validating the custom workspace path provided to the exwsAllocate Pipeline step, allowing the resulting workspace path to escape the configured disk mount point. This allows attackers with Item/Configure permission...

CSRF vulnerability and missing permission check in assembla

assembla 1.4 and earlier does not perform a permission check in an HTTP endpoint that tests the connection to an Assembla server. This allows attackers with Overall/Read permission to connect to an attacker-specified URL using an attacker-specified username and password. Additionally, this HTTP...

Open redirect vulnerability

Jenkins 2.567 and earlier, LTS 2.555.2 and earlier improperly determines whether a URL is safe to redirect to in the default login flow: A URL containing relative path segments ./ or ../ is validated before the servlet container collapses those segments into a protocol-relative URL starting with...

Missing permission checks allow obtaining limited user profile information

Jenkins 2.567 and earlier, LTS 2.555.2 and earlier does not perform permission checks in HTTP endpoints. This allows attackers with Overall/Read permission to determine other users' configured timezone and to enumerate view names of other users' "My Views". Jenkins 2.568, LTS 2.555.3 performs...

Open redirect vulnerability in "Delegate to servlet container" security realm

Jenkins 2.567 and earlier, LTS 2.555.2 and earlier does not ensure that the "from" parameter in the "Delegate to servlet container" security realm is safe to redirect to after login. This allows attackers to perform phishing attacks by redirecting users to an attacker-controlled domain. Jenkins...

Missing permission check allows canceling queue items

Jenkins 2.567 and earlier, LTS 2.555.2 and earlier does not perform an Item/Read permission check in an HTTP endpoint. This allows attackers with Item/Cancel permission, but lacking Item/Read permission, to cancel queue items they do not have permission to view. NOTE: This is due to an incomplete...

Open redirect vulnerability

Jenkins 2.567 and earlier, LTS 2.555.2 and earlier improperly determines whether a URL is safe to redirect to in the default login flow: A URL containing relative path segments ./ or ../ is validated before the servlet container collapses those segments into a protocol-relative URL starting with...

Plaintext secrets persisted and served by config.xml endpoints

In Jenkins 2.567 and earlier, LTS 2.555.2 and earlier, POST config.xml submissions are written to disk as-is once their content can be successfully deserialized, while GET config.xml responses are served directly from those files. As a result, plaintext secrets in a POST config.xml submission...