CVE-2026-84672 Auth bypass in Jenkins Microsoft Entra ID (previously Azure AD) Plugin
Attackers can gain privileged permissions by creating an Entra group with a colliding display name, bypassing authorization checks in the Jenkins plugin.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-84672?
CVE-2026-84672 is a high-severity authentication bypass vulnerability in Jenkins Microsoft Entra ID (previously Azure AD) Plugin, published on 2 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Jenkins Microsoft Entra ID (previously Azure AD) Plugin 710.v0b_ff8e9cc2d2 and earlier grants Entra group permissions using both the group's unique object ID and its display name, allowing attackers who can create an Entra group with a colliding display name to gain the permissions configured for a privileged group.
Weakness: CWE-639
Which versions are affected by CVE-2026-84672?
How do I fix CVE-2026-84672?
No fix has been published for CVE-2026-84672 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-84672 being exploited?
There is no known exploitation of CVE-2026-84672 in the wild and no public exploit code.
Sources
Also known as GHSA-fhmr-cpfh-453h.