CVE-2026-42525: Jenkins Microsoft Entra ID (previously Azure AD) Plugin 666.v6060de32f87d and earlier does not restrict the re

Q: How do I fix CVE-2026-42525?

azure ad: upgrade to newer than 666.v6060de32f87d. Exact commands for each OS are on this page.

Q: Is CVE-2026-42525 being exploited?

CVE-2026-42525 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-42525 affect?

CVE-2026-42525 affects azure ad. Severity is medium (CVSS 4.3). 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.

Q: How urgent is CVE-2026-42525?

Priority 23/100. On your watchlist

Routine

MEDIUM 4.3WATCHLISTUPGRADE

CVE-2026-42525 is a medium-severity flaw (CVSS 4.3) affecting azure ad. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 89%)
CISA exploited list	No
Weakness	CWE-601
Published	2026-04-29
Last modified	2026-10-26

Publisher (CNA): Jenkins Project · Vendor: jenkins

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-29 14:16 UTCPublished CVE record published
2026-10-26 20:10 UTCUpdated Record last modified

jenkins azure ad UPGRADE

Affected: <= 666.v6060de32f87d

Fixed in: newer than 666.v6060de32f87d

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy azure-ad || rpm -q azure-ad || azure-ad --version

2. UPGRADE to newer than 666.v6060de32f87d (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade azure-ad

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade azure-ad

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-42525?

azure ad: upgrade to newer than 666.v6060de32f87d. Exact commands for each OS are on this page.

Is CVE-2026-42525 being exploited?

CVE-2026-42525 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-42525 affect?

CVE-2026-42525 affects azure ad. Severity is medium (CVSS 4.3). 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 urgent is CVE-2026-42525?

Priority 23/100. On your watchlist

Software pages

Jenkins vulnerabilities · Azure vulnerabilities

References

← Back to latest CVEs