CVE-2019-19389
MEDIUMCVSS 5.4/10EPSS 0.83%
Last modified
CVE-2019-19389 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. JetBrains Ktor framework before version 1.2.6 was vulnerable to HTTP Response Splitting.. EPSS estimates a 0.83% chance of exploitation in the next 30 days.
Description
JetBrains Ktor framework before version 1.2.6 was vulnerable to HTTP Response Splitting.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Jetbrains | Ktor | < 1.2.6 |
References
- https://gist.github.com/JLLeitschuh/6792947ed57d589b08c1cc8b666c7737Exploit, Third Party Advisory
- https://github.com/ktorio/ktor/pull/1408Mitigation, Patch, Third Party Advisory
- https://twitter.com/JLLeitschuh/status/1210256191110230017?s=20Exploit, Third Party Advisory
- https://gist.github.com/JLLeitschuh/6792947ed57d589b08c1cc8b666c7737Exploit, Third Party Advisory
- https://github.com/ktorio/ktor/pull/1408Mitigation, Patch, Third Party Advisory
- https://twitter.com/JLLeitschuh/status/1210256191110230017?s=20Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-19389?
JetBrains Ktor framework before version 1.2.6 was vulnerable to HTTP Response Splitting.
How severe is CVE-2019-19389?
CVE-2019-19389 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.83% probability of exploitation in the next 30 days.
How do I fix CVE-2019-19389?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2019-19389?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST