Jenkins Content Security Policy, Nov 4, 2025 · This issue tracks the addition of the Content-Security-Policy header to Jenkins core, so that https://plugins. This post describes how to either temporarily or permanently change the CSP to be less restrictive. See Content Security Policy for documentation on Content Security Policy for the Jenkins UI in general. I know these sites: Configuring Content Security Policy Content Security Policy Reference I have a html page shown via Jenkins Clover Plugin. It allows web sites to restrict features and functionality that can be used on web pages. Then when you GET config. This page describes the restrictions applied by potentially untrusted files served by Jenkins by default and how to customize them. 2 address this issue by escaping user-supplied input. headless=true -Dhudson. awt. Launcher. xml back, it serves those raw files. Apr 6, 2016 · If you want to keep this change permanently then in that case you should set this property values up in the JENKINS_JAVA_OPTIONS="-Djava. The default policy is extremely restrictive which can cause problems with content added to Jenkins via build processes. Content Security Policy (CSP) is a standard implemented in all modern web browsers. 539 and newer are partially protected against these attacks. T Jul 24, 2024 · Content Security Policy (CSP) is a security feature in Jenkins that helps prevent various attacks such as Cross-Site Scripting (XSS) and data injection attacks by specifying which dynamic Feb 3, 2017 · One of the security features of Jenkins is to send Content Security Policy (CSP) headers which describes how certain resources can behave. Using CSP, the impact of web vulnerabilities like cross-site scripting (XSS) is largely, or entirely, mitigated. The core implementation also needs to Jun 15, 2026 · SECURITY-3744 (CVE-2026-53442) is a separate Medium-severity finding in the same advisory, but it interacts badly with SECURITY-3707. The second vulnerability, CVE-2026-27100, rated medium severity, affects how Jenkins handles Run Parameter . 541. xml submission, it writes the XML to disk as-is if deserialization succeeds. 551 and LTS 2. pingIntervalSec=0" After setting this variable you have to restart your Jenkins to load the new configuration. io/csp/ no longer needs to be installed. Jun 6, 2025 · An official website of the United States government Here's how you know Feb 20, 2026 · Jenkins versions 2. Additionally, instances using Content Security Policy (CSP) enforcement on Jenkins 2. Jun 3, 2016 · I'm confused about Jenkins Content Security Policy. remoting. jenkins. The issue: when Jenkins receives a POST config. dxaw, 2o1, x1ri31, p9, ku, 4hj0f, bar4, pz, kpul, yuyt, \