Jenkins Project Script Security Plugin up to 1415.v9a_f9b_3a_c253d JAR File code injection

Summaryinfo

A vulnerability described as problematic has been identified in Jenkins Project Script Security Plugin up to 1415.v9a_f9b_3a_c253d. The affected element is an unknown function of the component JAR File Handler. Executing a manipulation can lead to code injection. This vulnerability appears as CVE-2026-92128. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic was found in Jenkins Project Script Security Plugin up to 1415.v9a_f9b_3a_c253d. This vulnerability affects an unknown code block of the component JAR File Handler. The manipulation with an unknown input leads to a code injection vulnerability. The CWE definition for the vulnerability is CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Jenkins Script Security Plugin 1415.v9a_f9b_3a_c253d and earlier downloads a JAR file specified by URL twice, confirming the approval of the first download and loading the classpath entries from the second, allowing attackers able to define classpath entries to execute arbitrary code in the context of the Jenkins controller JVM.

The advisory is shared for download at jenkins.io. This vulnerability was named CVE-2026-92128 since 09/15/2026. The exploitation appears to be easy. The attack can be initiated remotely. Additional levels of successful authentication are necessary for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/16/2026). The MITRE ATT&CK project declares the attack technique as T1059.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Continuous Integration Software

Vendor

• Jenkins Project

Name

• Script Security Plugin

Version

• 1415.v9a_f9b_3a_c253d

License

• open-source

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion