High WID-SEC-2026-1707 13 CVEs

Jenkins Plugins: Mehrere Schwachstellen

Published May 27, 2026 · Updated May 27, 2026 · de-DE

Vendor: Jenkins Project Product: Jenkins Platform: Linux Platform: Windows

Summary

Ein Angreifer kann mehrere Schwachstellen in Jenkins Plugins ausnutzen, um Informationen offenzulegen, um Dateien zu manipulieren, um einen Cross-Site Scripting Angriff durchzuführen, um beliebigen Programmcode auszuführen, und um Sicherheitsvorkehrungen zu umgehen.

Product

Jenkins ist ein erweiterbarer, webbasierter Integration Server zur kontinuierlichen Unterstützung bei Softwareentwicklungen aller Art.

Vulnerabilities 13

High 8.8

CVE-2026-48920

Jenkins Email Extension Plugin: Attackers able to control email content may specify `file:` URLs for images to read arbitrary files from Jenkins controller filesystem

Jenkins Email Extension Plugin 1933.v45cec755423f and earlier allows inlining images as `base64` in email content by setting the `data-inline` attribute, without restrictions on the image URLs that can be inlined, allowing attackers able to control the email …

Jenkins Project Jenkins Email Extension Plugin org.jenkins-ci.plugins:email-ext Web / CMS Maven

May 27, 2026
High 7.5

CVE-2026-48921

Jenkins Pipeline: Groovy Libraries Plugin does not prohibit symbolic links in shared libraries

Jenkins Pipeline: Groovy Libraries Plugin 797.v90ea_a_9b_e45a_0 and earlier does not prohibit symbolic links in shared libraries, allowing attackers able to control the content of a library used by a Pipeline job to read arbitrary files on the Jenkins control…

Jenkins Project Jenkins Pipeline: Groovy Libraries Plugin io.jenkins.plugins:pipeline-groovy-lib Web / CMS Maven

May 27, 2026
High 7.5

CVE-2026-48922

Jenkins Credentials Binding Plugin does not properly sanitize file names for file and zip file credentials

Jenkins Credentials Binding Plugin 720.v3f6decef43ea_ and earlier does not properly sanitize file names for file and zip file credentials, allowing attackers able to provide credentials to a job to write files to arbitrary locations on the node filesystem, wh…

Jenkins Project Jenkins Credentials Binding Plugin org.jenkins-ci.plugins:credentials-binding Web / CMS Maven

May 27, 2026
Medium 6.6

CVE-2026-48916

Jenkins LDAP Plugin follows LDAP referrals

Jenkins LDAP Plugin 807.v7d7de30930cf and earlier follows LDAP referrals.

Jenkins Project Jenkins LDAP Plugin org.jenkins-ci.plugins:ldap Web / CMS Maven

May 27, 2026
Medium 6.6

CVE-2026-48917

Jenkins LDAP Plugin deserializes data from LDAP referrals without validation

Jenkins LDAP Plugin 807.v7d7de30930cf and earlier deserializes data from LDAP referrals without validation.

Jenkins Project Jenkins LDAP Plugin org.jenkins-ci.plugins:ldap Web / CMS Maven

May 27, 2026
Medium 6.6

CVE-2026-48918

Jenkins Active Directory Plugin follows LDAP referrals by default

Jenkins Active Directory Plugin 2.41 and earlier follows LDAP referrals by default.

Jenkins Project Jenkins Active Directory Plugin org.jenkins-ci.plugins:active-directory Web / CMS Maven

May 27, 2026
Medium 6.6

CVE-2026-48919

Jenkins Active Directory Plugin deserializes data from LDAP referrals without validation

Jenkins Active Directory Plugin 2.41 and earlier deserializes data from LDAP referrals without validation.

Jenkins Project Jenkins Active Directory Plugin org.jenkins-ci.plugins:active-directory Web / CMS Maven

May 27, 2026
Medium 5.5

CVE-2026-48927

Jenkins buildgraph-view Plugin does not escape the build URL

Jenkins buildgraph-view Plugin 1.8 and earlier does not escape the build URL, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to configure jobs or views.

Jenkins Project Jenkins buildgraph-view Plugin org.jenkins-ci.plugins:buildgraph-view Web / CMS Maven

May 27, 2026
Medium 4.3

CVE-2026-48923

Jenkins AppSpider Plugin does not perform a permission check in a method implementing form validation

Jenkins AppSpider Plugin 1.0.17 and earlier does not perform a permission check in a method implementing form validation, allowing attackers with Overall/Read permission to connect to an attacker-specified URL.

Jenkins Project Jenkins AppSpider Plugin com.rapid7:jenkinsci-appspider-plugin Web / CMS Maven

May 27, 2026
Medium 4.3

CVE-2026-48924

Jenkins Bitbucket OAuth Plugin does not restrict the redirect URL after login

Jenkins Bitbucket OAuth Plugin 0.17 and earlier does not restrict the redirect URL after login, allowing attackers to perform phishing attacks.

Jenkins Project Jenkins Bitbucket OAuth Plugin org.jenkins-ci.plugins:bitbucket-oauth Web / CMS Maven

May 27, 2026
Medium 4.3

CVE-2026-48925

Jenkins GitHub Integration Plugin has a cross-site request forgery (CSRF) vulnerability

A cross-site request forgery (CSRF) vulnerability in Jenkins GitHub Integration Plugin 0.7.3 and earlier allows attackers to attackers to trigger a build for a pull request.

Jenkins Project Jenkins GitHub Integration Plugin org.jenkins-ci.plugins:github-integration-parent Web / CMS Maven

May 27, 2026
Medium 4.3

CVE-2026-48926

Jenkins Job Import Plugin does not perform a permission check in an HTTP endpoint

Jenkins Job Import Plugin 143.v044a_2e819b_27 and earlier does not perform a permission check in an HTTP endpoint, allowing attackers with Overall/Read permission to enumerate credentials IDs of credentials stored in Jenkins.

Jenkins Project Jenkins Job Import Plugin org.jenkins-ci.plugins:job-import-plugin Web / CMS Maven

May 27, 2026
Medium 4.3

CVE-2026-9674

Jenkins Multijob Plugin has a cross-site request forgery (CSRF) vulnerability

A cross-site request forgery (CSRF) vulnerability in Jenkins Multijob Plugin 662.vd2e0001f6b_b_d and earlier allows attackers to resume failed Multijob builds.

Jenkins Project Jenkins Multijob Plugin org.jenkins-ci.plugins:jenkins-multijob-plugin Web / CMS Maven

May 27, 2026

Revision history

2026-05-27 #1
Initiale Fassung

References

Jenkins Security Advisory 2026-05-27 vom 2026-05-27
https://www.jenkins.io/security/advisory/2026-05-27/