CVE-2026-68762: jetbrains ktor Infinite Loop
CVSS: 5.9v3.1MediumAwaiting analysis
Published 17-08-2026Last modified 17-08-2026
Vulnerability summary
CVE-2026-68762 is a medium (CVSS 5.9) Infinite Loop vulnerability in jetbrains ktor. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 29% of scored vulnerabilities.
CVSS score
5.9/10
010
Medium · v3.1 (CVE.org)EPSS score
0.37%
0%100%
Low · +0.08 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 17-08-2026PublishedVulnerability first disclosed.
- 17-08-2026Last modifiedVulnerability information updated.
Description
In JetBrains Ktor before 3.4.1 potential DoS attack via WebSocket decompression was possible
CVSS metrics
2 scores · 2 sources · 1 versionMedium 5.9Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 2 agree
- NVDNIST5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.37%
Chance of exploitation in the next 30 days
Percentile
29%
Versus all other CVEs
30-day change
+0.08 pp
From 0.29% on 19-09-2026
19-09-202619-10-2026
EPSS score0.37%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Jetbrains1 product
- ktor< 3.4.1
1 vendor · 1 product