Jenkins Microsoft Entra ID Plugin Vulnerability Exposes Users to Phishing Attacks
CVE-2026-42525

4.3MEDIUM

Key Information:

Vendor

Jenkins
Status
Jenkins Microsoft Entra Id (previously Azure Ad) Plugin
Vendor
CVE Published:
29 April 2026

What is CVE-2026-42525?

The Jenkins Microsoft Entra ID Plugin is vulnerable due to improper handling of redirect URLs post-login, potentially enabling attackers to exploit this weakness for phishing purposes. This can allow attackers to redirect users to malicious websites, compromising sensitive information. It is crucial for users of this plugin to take necessary precautions and apply updates as recommended to mitigate potential risks.

Affected Version(s)

Jenkins Microsoft Entra ID (previously Azure AD) Plugin 0 <= 666.v6060de32f87d

References

https://www.jenkins.io/security/advisory/2026-04-29/#SECU...
vendor-advisory

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.