Cleartext transmission of sensitive information in ktlint
Priority LOW 38CWE-319Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-319.
Summary
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.
Why it matters now
EPSS 0.01482 74th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed com.github.shyiko.ktlint:ktlint-core (Maven): 0.30.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| ktlint | ktlint | 0.29.0 and earlier [fixed: 0.30.0 and later - after commit 5e547b287d6c260d328a2cb658dbe6b7a7ff2261] | — | No fix listed | CNA |
| — | com.github.shyiko.ktlint:ktlint-core (Maven) | before 0.30.0 | 0.30.0 | Patch available | GHSA-r8h9-hq9c-2p5c |
- ktlint Vendorktlint Affected 0.29.0 and earlier [fixed: 0.30.0 and later - after commit 5e547b287d6c260d328a2cb658dbe6b7a7ff2261] Fixed in — No fix listed CNA
- com.github.shyiko.ktlint:ktlint-core (Maven) Vendor— Affected before 0.30.0 Fixed in 0.30.0 Patch available GHSA-r8h9-hq9c-2p5c
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ktlint_project:ktlint:*:*:*:*:*:*:*:* | before 0.30.0 | Vulnerable | Ktlint Project |
- cpe:2.3:a:ktlint_project:ktlint:*:*:*:*:*:*:*:* Versions before 0.30.0 Vulnerable ·Ktlint Project
Remediation
- Fix · GHSA-r8h9-hq9c-2p5c com.github.shyiko.ktlint:ktlint-core (Maven) Fixed in 0.30.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2019-1010260
- 2026-10-03 Alias added: GHSA-r8h9-hq9c-2p5c
References
Sources
- CVE-2019-1010260 · CVE Program
- CVE-2019-1010260 · NVD
- FIRST EPSS
- GHSA-r8h9-hq9c-2p5c · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences