High severity vulnerability that affects com.github.shyiko.ktlint:ktlint-core
Using ktlint to download and execute custom rulesets can result in arbitrary code execution as the served jars can be compromised by a MITM. This attack is exploitable via Man in the Middle of the HTTP connection to the artifact servers. This vulnerability appears to have been fixed in 0.30.0 and later; after commit 5e547b287d6c260d328a2cb658dbe6b7a7ff2261.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | com.github.shyiko.ktlint:ktlint-core | < 0.30.0 | 0.30.0 |
References
- CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-319- Platform
- Java / Kotlin (Maven)
- Package
com.github.shyiko.ktlint:ktlint-core- Disclosed
- 08.04.2019
- Updated
- 11.10.2026 11:21
Sources and licenses
OSV / GitHub Advisory Database - GHSA-r8h9-hq9c-2p5c - CC BY 4.0
Vulnerability history: com.github.shyiko.ktlint:ktlint-core
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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