CVE-2026-42525
Jenkins Microsoft Entra ID (previously Azure AD) Plugin has an open redirect vulnerability
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2026-42525- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - Weakness
- CWE-601
- Updated
- 2026-11-02
EUVDEUVD-2026-26227
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.
- Record
EUVD-2026-26227- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-jp6g-g3v3-6gvf
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.
- Record
GHSA-jp6g-g3v3-6gvf- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - Weakness
- CWE-601
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-42525- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - Weakness
- CWE-601
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2026-42525- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-jp6g-g3v3-6gvf
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.
- Record
GHSA-jp6g-g3v3-6gvf- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - Weakness
- CWE-601
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.jenkins-ci.plugins:azure-adMaven |
through 666.v6060de32f87d | 667.v4c5827a |
org.jenkins-ci.plugins:azure-adMaven |
before 667.v4c5827a, plus listed versions 0.1.10.1.1-10.2.00.3.00.3.1 Show 45 moreShow less0.3.20.3.30.3.41.0.01.1.01.1.11.1.21.2.01.2.11.2.21.2.3146.vb688d1511c38150.vb3db9f880321152.v1609ed460604153.v7af57b288088154.v12e17a5f9ea3155.v745ce80af7ea157.v2d3d5782a602158.v437429002c6b164.v5b48baa961d2165.v36344b7d7ca7167.v34c2c5a3a030168.ve6e7e368dbf6170.v0a6219442a99171.v9ef20c94d336172.vf6a517c3329a173.v0a210fffb510174.vc2d906355813175.v5513346d764a177.v80b6c1591bf9178.v7b93892fbe4c179.vf6841393099e180.v8b1e80e6f242183.vf8c6fa4c6567184.v44f04b65bdd5185.v3b416408dcb1188.v2369adb95a31189.v2da14dccdb43190.v872b1977148a191.vfc8019068670194.v70a6d5203ce4195.v8555a0bf0d22213.v5b_00db_295f49218.v90f6a_980b_a_61233.v934e074916c7 |
667.v4c5827a |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-42525 is a medium vulnerability (CVSS 4.3) in Jenkins Azure Ad, published April 29, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.21%, the 11th percentile. Fixed in org.jenkins-ci.plugins:azure-ad 667.v4c5827a.
References
Left out here: 52 versions. The JSON record has them.