CVE-2018-1000817 — asset-pipeline
HIGHCVE-2018-1000817 is a high-severity (CVSS 7.5) Path Traversal vulnerability in org.grails.plugins:asset-pipeline. 1 public exploit or proof-of-concept reference is indexed, so weaponization risk is real. A fix is available for org.grails.plugins:asset-pipeline — see the affected versions and patch details below.
Asset Pipeline Grails Plugin vulnerable to Path Traversal
EPSS Exploitation Probability
Probability of exploitation in the next 30 days, from FIRST.org EPSS.
How urgent is this, really
Where this sits among everything scored
Real-World Exposure
org.grails.plugins:asset-pipeline☕org.grails.plugins:asset-pipeline☕org.grails.plugins:asset-pipelineReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.
Description
Asset Pipeline Grails Plugin Asset-pipeline plugin version Prior to 2.14.1.1, 2.15.1 and 3.0.6 contains a Incorrect Access Control vulnerability in Applications deployed in Jetty that can result in Download .class files and any arbitrary file. This attack appear to be exploitable via Specially crafted GET request containing directory traversal from assets-pipeline context. This vulnerability appears to have been fixed in 2.14.1.1 (for Grails 2.x), 2.15.1 (for Grails 3 and Java 7) and 3.0.6 (for Grails 3 and Java 8).
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| ☕Maven | org.grails.plugins:asset-pipeline | all versions | 2.14.1org.grails.plugins:asset-pipeline:2.14.1 |
| ☕Maven | org.grails.plugins:asset-pipeline | ≥ 2.15.0&&< 2.15.1 | 2.15.1org.grails.plugins:asset-pipeline:2.15.1 |
| ☕Maven | org.grails.plugins:asset-pipeline | ≥ 3.0.0&&< 3.0.6 | 3.0.6org.grails.plugins:asset-pipeline:3.0.6 |
Affected Products
asset-pipelineasset_pipeline_projectResearch use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.grails.plugins:asset-pipeline, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update org.grails.plugins:asset-pipeline to 2.14.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2018-1000817 is resolved across your whole dependency graph.
Workarounds
Resolve every user-supplied path to its canonical form and reject anything that escapes the intended directory, and run the component under an account that has no read or write access outside the directory it legitimately serves.
Frequently Asked Questions
Is CVE-2018-1000817 in your dependencies?
Find it across Maven, including transitive dependencies.