CVE-2026-57303
published 2026-06-24CVE-2026-57303: Jenkins Assembla Plugin 1.4 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks, allowing attackers able to control the…
PriorityP345high7.1CVSS 3.1
AVNACLPRLUINSUCHILAN
EPSS
0.36%
29.3th percentile
Jenkins Assembla Plugin 1.4 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks, allowing attackers able to control the responses of the configured Assembla server to extract secrets from the Jenkins controller or perform server-side request forgery.
Affected
41 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| jenkins | active_directory | — | — |
| jenkins | active_directory_plugin | — | — |
| jenkins | assembla | <= 1.4 | — |
| jenkins | assembla | — | — |
| jenkins | assembla_plugin | — | — |
| jenkins | bitbucket_push_and_pull_request | — | — |
| jenkins | bitbucket_push_and_pull_request_plugin | — | — |
| jenkins | contrast_continuous_application_security | — | — |
| jenkins | contrast_continuous_application_security_plugin | — | — |
| jenkins | ec2_fleet | — | — |
| jenkins | ec2_fleet_plugin | — | — |
| jenkins | external_workspace_manager | — | — |
| jenkins | external_workspace_manager_plugin | — | — |
| jenkins | fitnesse | — | — |
| jenkins | fitnesse_plugin | — | — |
| jenkins | git_client | — | — |
| jenkins | git_client_plugin | — | — |
| jenkins | git_parameter | — | — |
| jenkins | git_parameter_plugin | — | — |
| jenkins | gitee | — | — |
| jenkins | gitee_plugin | — | — |
| jenkins | github_branch_source | — | — |
| jenkins | github_branch_source_plugin | — | — |
| jenkins | groovy | — | — |
| jenkins | groovy_plugin | — | — |
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GHSA
Jenkins Assembla Plugin 1.4 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks, allowing attackers able to control the responses of the configured Assembla serv
ghsa_unreviewed·2026-06-24
CVE-2026-57303 [HIGH] CWE-918 Jenkins Assembla Plugin 1.4 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks, allowing attackers able to control the responses of the configured Assembla serv
Jenkins Assembla Plugin 1.4 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks, allowing attackers able to control the responses of the configured Assembla server to extract secrets from the Jenkins controller or perform server-side request forgery.
GHSA
Jenkins Assembla Plugin has an XXE vulnerability
ghsa·2026-06-24
CVE-2026-57303 [HIGH] CWE-918 Jenkins Assembla Plugin has an XXE vulnerability
Jenkins Assembla Plugin has an XXE vulnerability
Jenkins Assembla Plugin 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 perform server-side request forgery.
As of publication of this advisory, there is no fix.
Jenkins
Jenkins Security Advisory 2026-06-24
vendor_jenkins·2026-06-24
CVE-2026-57280 [HIGH] Jenkins Security Advisory 2026-06-24
Title: Jenkins Security Advisory 2026-06-24
Jenkins Security Advisory 2026-06-24
Jenkins Security Home
For Administrators
Overview
Terminology
Vulnerabilities and Scoring
Security Advisories
Security Issues
Advisory Schedule
Vulnerabilities in Plugins
How We Fix Security Issues
For Reporters
Reporting Vulnerabilities
Jenkins CNA
For Maintainers
Overview
Vulnerabilities in Plugins
Jenkins Security Team
About
Contributions
This advisory announces vulnerabilities in the following Jenkins deliverables:
Active Directory
Plugin
Assembla
Plugin
Bitbucket Push and Pull Request
Plugin
Contrast Continuous Application Security
Plugin
EC2 Fleet
Plugin
External Workspace Manag
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-06-24
Published