CVE-2026-42525
CVE-2026-42525 is a medium-severity vulnerability in Jenkins Azure Ad with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-601.
Key facts
- Severity: Medium (CVSS 3.x base score 4.3)
- EPSS exploit prediction: 0% (12th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-26227
- Weakness: CWE-601
- Affected product: Jenkins Azure Ad
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-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 perform phishing attacks.
- How severe is CVE-2026-42525?
- CVE-2026-42525 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
- Is CVE-2026-42525 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-42525?
- CVE-2026-42525 affects Jenkins Azure Ad. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-42525?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-42525 have an EU (EUVD) identifier?
- Yes. CVE-2026-42525 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26227.
- When was CVE-2026-42525 published?
- CVE-2026-42525 was published on 2026-04-29 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:jenkins:azure_ad:*:*:*:*:*:jenkins:*:*
More vulnerabilities in Jenkins Azure Ad
- CVE-2023-24426 — High (CVSS 8.8): Jenkins Azure AD Plugin 303.va_91ef20ee49f and earlier does not invalidate the previous session on login.
- CVE-2021-21679 — High (CVSS 8.8): Jenkins Azure AD Plugin 179.vf6841393099e and earlier allows attackers to craft URLs that would bypass the CSRF…
- CVE-2019-10318 — High (CVSS 8.8): Jenkins Azure AD Plugin 0.3.3 and earlier stored the client secret unencrypted in the global config.xml configuration…
- CVE-2023-41935 — High (CVSS 7.5): Jenkins Azure AD Plugin 396.v86ce29279947 and earlier, except 378.380.v545b_1154b_3fb_, uses a non-constant time…
- CVE-2020-2119 — Medium (CVSS 5.3): Jenkins Azure AD Plugin 1.1.2 and earlier transmits configured credentials in plain text as part of the global Jenkins…
All CVEs affecting Jenkins Azure Ad →
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