CVE-2026-70439 Missing authorization in Jenkins XML Job to Job DSL Plugin
Attackers lacking permissions can invoke conversion functionality in the Jenkins XML Job to Job DSL Plugin due to missing permission checks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-70439?
CVE-2026-70439 is a medium-severity missing authorization vulnerability in Jenkins XML Job to Job DSL Plugin, published on 5 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Jenkins XML Job to Job DSL Plugin 0.1.13 and earlier does not perform permission checks, allowing attackers lacking appropriate permissions to invoke the conversion functionality.
Weakness: CWE-862
Which versions are affected by CVE-2026-70439?
How do I fix CVE-2026-70439?
No fix has been published for CVE-2026-70439 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-70439 being exploited?
There is no known exploitation of CVE-2026-70439 in the wild and no public exploit code.
Sources
Also known as GHSA-5rp3-99fp-3g93.