ktor vulnerabilities and fixes
Recent CVEs affecting ktor, with upgrade or downgrade steps. 2 tracked.
ktor has 2 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 2. Most recent: 2025-03-12. Highest priority: CVE-2024-49580 (score 31/100).
- CVE-2025-29904 MEDIUM 5.3 UPGRADE In JetBrains Ktor before 3.1.1 an HTTP Request Smuggling was possible
- CVE-2024-49580 MEDIUM 5.3 UPGRADE In JetBrains Ktor before 2.3.13 improper caching in HttpCache Plugin could lead to response information disclo
FAQ
How do I fix ktor vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is ktor being exploited right now?
None of the tracked ktor CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which ktor CVE should I patch first?
CVE-2024-49580 currently ranks highest (31/100): In JetBrains Ktor before 2.3.13 improper caching in HttpCache Plugin could lead to response information disclo.