CVE-2026-42525: Jenkins Microsoft Entra ID (previously Azure AD) Plugin has an open redirect vulnerability

CVE-2026-42525 · Severity: medium · CVSS 4.3 · Published 2026-04-29

Jenkins Microsoft Entra ID (previously Azure AD) Plugin 666.v6060de32f87d and earlier does not restrict the redirect URL after login, allowing attackers to perform phishing attacks.

Technologies: org.jenkins-ci.plugins:azure-ad (Maven). Vendors: Jenkins, Maven.

Quick answers

Is CVE-2026-42525 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-42525 being exploited in the wild.
How severe is CVE-2026-42525?
Medium severity, with a CVSS score of 4.3, published 29 April 2026.
Which products and versions are affected?
org.jenkins-ci.plugins:azure-ad (Maven) ECOSYSTEM:introduced=0,fixed=667.v4c5827a.
Is there a fix for CVE-2026-42525?
Yes. org.jenkins-ci.plugins:azure-ad (Maven): upgrade to 667.v4c5827a or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-42525?
Check whether you run Jenkins Azure Ad or org.jenkins-ci.plugins:azure-ad (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • org.jenkins-ci.plugins:azure-ad (Maven): upgrade to 667.v4c5827a or later
    # set org.jenkins-ci.plugins:azure-ad to 667.v4c5827a in your pom.xml or build.gradle

Affected products

  • Jenkins Azure Ad
  • org.jenkins-ci.plugins:azure-ad (Maven) ECOSYSTEM:introduced=0,fixed=667.v4c5827a

Identifiers

  • CVE-2026-42525
  • GHSA-jp6g-g3v3-6gvf

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