CVE-2019-19389
MEDIUM
5.4
CVSS Score
Published: December 26, 2019 at 08:15 PM UTC
Updated: June 17, 2026 at 02:26 AM UTC
1 product affected across 1 vendorKtor
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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.8%
Description
JetBrains Ktor framework before version 1.2.6 was vulnerable to HTTP Response Splitting.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 1.2.6
Affected range stops below 1.2.6, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (3)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://gist.github.com/JLLeitschuh/6792947ed57d589b08c1cc8b666c7737x_refsource_MISCMitigationPatchThird Party Advisory
Source: [email protected]
https://github.com/ktorio/ktor/pull/1408x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://twitter.com/JLLeitschuh/status/1210256191110230017?s=20CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-74
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