VulnerabilityModified
CVE-2019-19389
JetBrains Ktor framework before version 1.2.6 was vulnerable to HTTP Response Splitting.
MEDIUM 5.4EPSS 0.83%
Does this matter?
Lower severity and a low EPSS score (0.83%). Track it; it rarely justifies an emergency change on its own.
Description
JetBrains Ktor framework before version 1.2.6 was vulnerable to HTTP Response Splitting.
- CVSS 3.1
- 5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 0.83% probability · 57th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-74
- Affected
- jetbrains/ktor
- Source
- cve@mitre.org
EPSS 0.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.