CVE-2026-42525
published 2026-04-29CVE-2026-42525: Jenkins Microsoft Entra ID (previously Azure AD) Plugin 666.v6060de32f87d and earlier does not restrict the redirect URL after login, allowing attackers to…
PriorityP419medium4.3CVSS 3.1
AVNACLPRNUIRSUCNILAN
EPSS
0.33%
24.9th percentile
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.
Affected
14 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| jenkins | azure_ad | <= 666.v6060de32f87d | — |
| jenkins | credentials_binding | — | — |
| jenkins | credentials_binding_plugin | — | — |
| jenkins | github | — | — |
| jenkins | github_branch_source | — | — |
| jenkins | github_branch_source_plugin | — | — |
| jenkins | github_plugin | — | — |
| jenkins | html_publisher | — | — |
| jenkins | html_publisher_plugin | — | — |
| jenkins | matrix_authorization_strategy | — | — |
| jenkins | matrix_authorization_strategy_plugin | — | — |
| jenkins | script_security | — | — |
| jenkins | script_security_plugin | — | — |
| jenkins_project | jenkins_microsoft_entra_id_plugin | <= 666.v6060de32f87d | — |
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Jenkins
Jenkins Security Advisory 2026-04-29
vendor_jenkins·2026-04-29·CVSS 4.3
CVE-2026-42519 [MEDIUM] Jenkins Security Advisory 2026-04-29
Title: Jenkins Security Advisory 2026-04-29
Jenkins Security Advisory 2026-04-29
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This advisory announces vulnerabilities in the following Jenkins deliverables:
Credentials Binding
Plugin
GitHub
Plugin
GitHub Branch Source
Plugin
HTML Publisher
Plugin
Matrix Authorization Strategy
Plugin
Microsoft Entra ID (previously Azure AD)
VulDB
Jenkins Microsoft Entra ID Plugin up to 666.v6060de32f87d Redirect URL redirect (EUVD-2026-26227)
vuldb·2026-04-29·CVSS 4.3
CVE-2026-42525 [MEDIUM] Jenkins Microsoft Entra ID Plugin up to 666.v6060de32f87d Redirect URL redirect (EUVD-2026-26227)
A vulnerability identified as problematic has been detected in Jenkins Microsoft Entra ID Plugin up to 666.v6060de32f87d. Impacted is an unknown function of the component Redirect URL Handler. This manipulation causes open redirect.
This vulnerability is registered as CVE-2026-42525. Remote exploitation of the attack is possible. No exploit is available.
GHSA
Jenkins Microsoft Entra ID (previously Azure AD) Plugin has an open redirect vulnerability
ghsa·2026-04-29
CVE-2026-42525 [MEDIUM] CWE-601 Jenkins Microsoft Entra ID (previously Azure AD) Plugin has an open redirect vulnerability
Jenkins Microsoft Entra ID (previously Azure AD) Plugin has an open redirect vulnerability
Jenkins Microsoft Entra ID (previously Azure AD) Plugin versions 666.v6060de32f87d and earlier do not restrict the redirect URL after login.
This allows attackers to perform phishing attacks by having users go to a Jenkins URL that will forward them to a different site after successful authentication.
Microsoft Entra ID (previously Azure AD) Plugin 667.v4c5827a_e74a_0 only redirects to relative (Jenkins) URLs.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-04-29
Published