CVE-2026-70430 Code injection in Jenkins
Attackers with management permissions can instantiate arbitrary types in project naming strategies, potentially leading to code execution or privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-70430?
CVE-2026-70430 is a low-severity code injection vulnerability in Jenkins Jenkins, published on 5 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Jenkins 2.575 and earlier, LTS 2.568.1 and earlier does not restrict the types of objects that can be instantiated as part of the project naming strategy configuration, allowing attackers with Overall/Manage permission to instantiate arbitrary types related to configuration, including those intended for configuration only by administrators.
Weakness: CWE-284
Which versions are affected by CVE-2026-70430?
1 open source package ship an affected version, including jenkins. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
jenkins Bitnami | All versions | 2.568.2, 2.576.0 |
Products include Jenkins Jenkins.
How do I fix CVE-2026-70430?
Upgrade jenkins to a fixed version for your release line: 2.568.2 or 2.576.0.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-70430 being exploited?
There is no known exploitation of CVE-2026-70430 in the wild and no public exploit code.
Other vulnerabilities in Jenkins Jenkins
- CVE-2024-23897 Jenkins Command Line Interface (CLI) Path Traversal
- CVE-2018-1000861 Jenkins Stapler Web Framework Deserialization of Untrusted Data
- CVE-2017-1000353 Jenkins Remote Code Execution
- CVE-2015-5317 Jenkins User Interface (UI) Information Disclosure
- CVE-2021-21690 Multiple vulnerabilities allow bypassing path filtering of agent-to-controller access control in Jenkins
Sources
Also known as BIT-jenkins-2026-70430, GHSA-xv7v-hw45-9jgw, MINI-66rr-4g93-jrjm, MINI-6c26-3hg5-3m6c, MINI-6jv7-fh6j-g958, MINI-cxqm-p4qc-992h and 4 more.