EUVD-2026-19896
GHSA-wpwf-v25w-54g3
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary rating from Vendor (VulDB) · only source for this CVE.
CVSS VectorVendor: VulDB
Lifecycle Timeline
3DescriptionCVE.org
A security flaw has been discovered in PowerJob 5.1.0/5.1.1/5.1.2. The affected element is the function GroovyEvaluator.evaluate of the file /openApi/addWorkflowNode of the component OpenAPI Endpoint. The manipulation of the argument nodeParams results in code injection. The attack can be executed remotely. The project was informed of the problem early through an issue report but has not responded yet.
AnalysisAI
Remote code injection in PowerJob 5.1.0, 5.1.1, and 5.1.2 allows unauthenticated attackers to execute arbitrary code via the GroovyEvaluator.evaluate function in the OpenAPI endpoint /openApi/addWorkflowNode by manipulating the nodeParams argument. The vulnerability exploits unsafe Groovy code evaluation without input sanitization, enabling full remote code execution with a low CVSS complexity score (6.9/10). No public exploit code is confirmed at time of analysis, and the vendor has not yet responded to the early disclosure notification.
Technical ContextAI
PowerJob is a distributed job scheduler framework that uses Groovy script evaluation for workflow automation. The vulnerability exists in the GroovyEvaluator component, which dynamically evaluates Groovy code passed through the nodeParams parameter of the /openApi/addWorkflowNode REST endpoint. This is a classic unsafe deserialization/code injection pattern (CWE-94: Improper Control of Generation of Code) where user-supplied data is directly executed as code without validation, compilation safety checks, or sandboxing. Groovy's eval() or similar dynamic execution methods can instantiate arbitrary Java objects and invoke methods, granting attackers direct access to the JVM runtime. The OpenAPI endpoint's lack of authentication (PR:N in CVSS v4.0) means the vulnerable function is callable by any network-accessible client.
RemediationAI
No vendor-released patch identified at time of analysis. The vendor has not yet responded to the early disclosure notification provided through GitHub issue #1168. Organizations should monitor the PowerJob GitHub repository and release page (https://github.com/PowerJob/PowerJob/) for patched versions (expected at 5.1.3 or higher once available). Immediate interim mitigations include: (1) Network isolation-restrict access to the /openApi/addWorkflowNode endpoint using firewall rules or WAF policies to trusted internal networks only; (2) Authentication layer-deploy API gateway authentication (OAuth2, mTLS, API keys) in front of PowerJob if not natively available; (3) Input validation-review and restrict nodeParams to non-executable schemas if possible through application-level hardening. Upgrade immediately upon availability of a patched release.
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Same weakness CWE-94 – Code Injection
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External POC / Exploit Code
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