CVE-2026-123317

EUVD-2026-118081
In JetBrains Ktor before 3.6.1 session forgery was possible via tampered encrypted session cookies
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
JetBrainsCNA
8.1 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).
VendorProductVersionSource
jetbrainsktor
𝑥
< 3.6.1
CNA
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://www.jetbrains.com/privacy-security/issues-fixed/