Vulnerability · Published Oct 1, 2026 · Assigned by JetBrains
CVE-2026-103494
Medium 6.6
In plain English
A medium-severity security flaw in YouTrack from JetBrains. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 11% of all known vulnerabilities).
Severity (CVSS 3.1)6.6Medium
Exploit odds (30 days)0.2%top 88.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
In JetBrains YouTrack before 2026.2.19422 privilege escalation was possible via user group membership changes
Affected products (as reported)
Weakness: CWE-266 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H