Medium (6.5). EPSS 1.1% chance of exploitation in the next 30 days. Fixed in io.jenkins.blueocean:blueocean 1.10.2.
A data modification vulnerability exists in Jenkins Blue Ocean Plugins 1.10.1 and earlier in blueocean-core-js/src/js/bundleStartup.js, blueocean-core-js/src/js/fetch.ts, blueocean-core-js/src/js/i18n/i18n.js, blueocean-core-js/src/js/urlconfig.js, blueocean-rest/src/main/java/io/jenkins/blueocean/rest/APICrumbExclusion.java, blueocean-web/src/main/java/io/jenkins/blueocean/BlueOceanUI.java, blueocean-web/src/main/resources/io/jenkins/blueocean/BlueOceanUI/index.jelly that allows attackers to bypass all cross-site request forgery protection in Blue Ocean API.
Severity
CVSS 3.0
6.5 medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
EPSS
1.1% chance of exploitation in the next 30 days; higher than 65% of CVEs (scores of 2026-10-31)