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CVE-2019-19389
JetBrains Ktor framework before version 1.2.6 was vulnerable to HTTP Response Splitting.
Medium5.4EPSS 0.83%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
JetBrains Ktor framework before version 1.2.6 was vulnerable to HTTP Response Splitting.
Timeline
ID reserved
By mitre
- 27 days later
· 27 days later
Published
- 5 years later
· 5 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.83% · top 42% of all CVEs (7 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.4.
Weakness
Affected products
n/a
- affected n/a
References (3)
- https://github.com/ktorio/ktor/pull/1408 (opens in a new tab)x_refsource_MISCx_transferred
- https://gist.github.com/JLLeitschuh/6792947ed57d589b08c1cc8b666c7737 (opens in a new tab)x_refsource_MISCx_transferred
- https://twitter.com/JLLeitschuh/status/1210256191110230017?s=20 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2019-19389)Record last updated .