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CVE-2026-42525VulnerabilityPublished Updated

Org.jenkins ci.plugins:azure ad: Jenkins Microsoft Entra ID (previously Azure AD) Plugin has an open redirect

Affects org.jenkins-ci.plugins:azure-adSource GCVE Database

0
Authoritative record:CVE-2026-42525· Medium 4.3

Not known to be exploited · CVSS 4.3 Medium : upgrade to 667.v4c5827a when convenient.

Data as of 27 Oct 2026, 00:07 UTC

CVSS 3.1 base score
4.3Medium
How severe the flaw is on the 0–10 CVSS scale.
Patch
Available – fixed in 667.v4c5827a
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 29 Apr 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade org.jenkins-ci.plugins:azure-ad to 667.v4c5827a.

Affected software

ProductAffectedFixed in
Mavenorg.jenkins-ci.plugins:azure-adAffected
  • <667.v4c5827a
Fixed in
  • 667.v4c5827a

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

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.

References

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