Vulnerability · Published Oct 1, 2026 · Assigned by JetBrains
CVE-2026-103489
Low 2.0
In plain English
A low-severity cross-site scripting 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 0.3% (higher than 27% of all known vulnerabilities).
Severity (CVSS 3.1)2.0Low
Exploit odds (30 days)0.3%top 72.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
In JetBrains YouTrack before 2026.2.19422 hTML injection in VCS command failure notifications was possible
Affected products (as reported)
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:N